Filtered Water Bottles, ranked by PFAS safety

99 products graded A to F, safest first. 95 earn a C or better and are worth buying.

Buyer’s guide

What to look for in filtered water bottles, and which brands grade best and worst

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Bad · Better · Best filtered water bottles

The quickest read: what to skip and the top-graded picks worth buying instead.

AvoidF
Filtered Water Bottle with Nanofiber Fast Flow Filter Media

PUR

Filtered Water Bottle with Nanofiber Fast Flow Filter Media

60/100 safety

Skip until PUR discloses nanofiber composition, PFAS risk unclear.

BetterA
Nayad 64oz. Stainless Double Wall Traveler Bottle

Naya

Nayad 64oz. Stainless Double Wall Traveler Bottle

100/100 safety

Lower PFAS concern; stainless steel bottles rarely contain PFAS, but Nayad offers no transparency.

Best pickA
LifeStraw Go 2.0 Water Filter Bottle

LifeStraw

LifeStraw Go 2.0 Water Filter Bottle

100/100 safety

Lower PFAS concern; LifeStraw's core materials are inherently lower-risk, but silence on coatings/seals leaves modest uncertainty.

Worth buying graded C or better, safest first

LifeStraw Go 2.0 Water Filter Bottle

LifeStraw

Go 2.0 Water Filter Bottle

Borosilicate glass bottle, coconut-shell activated carbon filter

A
C
PFASAll
A · Very low PFAS4 flags

Lower PFAS concern; LifeStraw's core materials are inherently lower-risk, but silence on coatings/seals leaves modest uncertainty.

Bare metal or glass, no coating at all

Brita Premium Water Bottle

Brita

Premium Water Bottle

Stainless steel bottle with activated carbon filter

A
A
PFASAll
A · Very low PFAS2 flags

Lower-concern choice; stainless steel + carbon filters are traditional PFAS-safe materials, but Brita offers no public PFAS transparency.

Bare metal or glass, no coating at all

Brita 20 oz Carbon Stainless Steel Filtered Water Bottle

Brita

20 oz Carbon Stainless Steel Filtered Water Bottle

Stainless steel bottle with activated carbon filter cartridge

A
A
PFASAll
A · Very low PFAS2 flags

Lower-concern choice; stainless steel bottle and carbon media are inherently PFAS-low, but Brita makes no public PFAS commitment.

Bare metal or glass, no coating at all

Brita Premium Stainless Steel Water Bottle

Brita

Premium Stainless Steel Water Bottle

Stainless steel bottle with standard cap/lid

A
B
PFASAll
A · Very low PFAS3 flags

Lower concern for PFAS; stainless steel is an inherently safer material, but Brita makes no PFAS disclosure.

Bare metal or glass, no coating at all

LARQ PureVis 2 Water Bottle

LARQ

PureVis 2 Water Bottle

Stainless steel body; activated carbon + ion-exchange resin filter

A
A
PFASAll
A · Very low PFAS2 flags

Lower PFAS concern due to standard filtration materials, but silence on treatment chemicals is a gap.

Bare metal or glass, no coating at all

LARQ Filtered Swig Top Water Bottle

LARQ

Filtered Swig Top Water Bottle

Borosilicate glass body, stainless steel cap, activated coconut-carbon filter

A
A
PFASAll
A · Very low PFAS2 flags

Lower concern due to glass and carbon filter construction, but LARQ makes no PFAS disclosure.

Bare metal or glass, no coating at all

LARQ Swig Top 23oz Insulated Stainless Steel Water Bottle

LARQ

Swig Top 23oz Insulated Stainless Steel Water Bottle

Stainless steel body; silicone/elastomer seals

A
B
PFASAll
A · Very low PFAS3 flags

Lower-concern design; no PFAS-prone materials evident, but brand transparency absent.

Bare metal or glass, no coating at all

LARQ PureVis 2 Water Bottle

PUR

LARQ PureVis 2 Water Bottle

Borosilicate glass, stainless steel, BPA-free plastic (likely polypropylene)

A
A
PFASAll
A · Very low PFAS2 flags

Lower concern; water filter bottle with conventional materials, but brand silence on PFAS limits full confidence.

Bare metal or glass, no coating at all

Pura Sport 18oz Bottle

PUR

a Sport 18oz Bottle

stainless steel bottle, carbon/activated charcoal filter media

A
B
PFASAll
A · Very low PFAS3 flags

Lower concern water bottle; water-filter cartridges have minimal documented PFAS risk, but brand transparency is absent.

Bare metal or glass, no coating at all

CamelBak Eddy+ Vacuum Insulated SST Bottle

CamelBak

Eddy+ Vacuum Insulated SST Bottle

Stainless steel (double-wall insulation), plastic spout/cap

A
B
PFASAll
A · Very low PFAS4 flags

Lower concern; stainless steel core with no reported PFAS treatment, but CamelBak provides no explicit disclosure.

Bare metal or glass, no coating at all

CAMELBAK Eddy+ Bottle

CamelBak

Eddy+ Bottle

Tritan copolyester (BPA-free plastic) body; stainless steel cap

A
B
PFASAll
A · Very low PFAS3 flags

Lower concern: common food-contact plastics with no known PFAS use, but CamelBak offers no explicit PFAS disclosure.

Bare metal or glass, no coating at all

Clearly Filtered Water Bottle Removes 220+ Contaminants Double Wall Insulated Stainless Steel

Aqua Vault

Clearly Filtered Water Bottle Removes 220+ Contaminants Double Wall Insulated Stainless Steel

Stainless steel double-wall insulated bottle with internal water filter (activated carbon/media unspecified)

A
C
PFASAll
A · Very low PFAS4 flags

Lower PFAS risk from housing; filter composition opacity is the concern.

Bare metal or glass, no coating at all

Stainless Steel Filter Water Bottle

Aqua Vault

Stainless Steel Filter Water Bottle

Stainless steel (primary); filter media unspecified

A
C
PFASAll
A · Very low PFAS4 flags

Lower PFAS concern for stainless steel bottle; filter media composition unclear, request details.

Bare metal or glass, no coating at all

Grayl GeoPress Water Purifier Bottle

Grayl

GeoPress Water Purifier Bottle

Silicone, stainless steel, and activated coconut carbon filtration cartridge

A
A
PFASAll
A · Very low PFAS2 flags

Lower concern; no PFAS-prone materials identified, but brand discloses nothing on PFAS.

Bare metal or glass, no coating at all

Geopress Purifier Bottle

Grayl

Geopress Purifier Bottle

Stainless steel body, activated carbon/charcoal filter cartridge

A
A
PFASAll
A · Very low PFAS2 flags

Lower-concern option; water filters rarely use PFAS, but Grayl has made no public disclosure.

Bare metal or glass, no coating at all

Grayl UltraPress Water Filters

Grayl

UltraPress Water Filters

Stainless steel, plastic housing, activated carbon/coconut shell filters

A
B
PFASAll
A · Very low PFAS2 flags

Lower concern for PFAS risk; no reported issues, but brand offers no transparency.

Bare metal or glass, no coating at all

S'well Explorer with Flip Straw Lid

S'well

Explorer with Flip Straw Lid

Stainless steel bottle with polypropylene lid and flip straw

A
A
PFASAll
A · Very low PFAS2 flags

Lower-concern water bottle; stainless steel core presents minimal PFAS risk, though lid materials remain undisclosed.

Bare metal or glass, no coating at all

S'well 17oz Water Bottle With Flip Straw Cap

S'well

17oz Water Bottle With Flip Straw Cap

Stainless steel double-wall vacuum insulation; BPA-free plastic flip-straw cap

A
B
PFASAll
A · Very low PFAS3 flags

Lower concern, standard insulated bottle with no known PFAS-prone components, but cap material undisclosed.

Bare metal or glass, no coating at all

S'well Stainless Steel Water Bottle

S'well

Stainless Steel Water Bottle

Double-wall 18/8 stainless steel

A
A
PFASAll
A · Very low PFAS2 flags

Lower PFAS concern, stainless steel construction avoids typical Teflon-family coating coatings, but brand makes no public PFAS commitment.

Bare metal or glass, no coating at all

S'well London Chimney Water Bottle

S'well

London Chimney Water Bottle

Double-wall stainless steel (18/8)

A
B
PFASAll
A · Very low PFAS3 flags

Lower concern; classic double-wall stainless bottle with no known PFAS risk from materials, though brand doesn't explicitly address it.

Bare metal or glass, no coating at all

S'well Kids Traveler with Flip Straw Lid

S'well

Kids Traveler with Flip Straw Lid

Stainless steel body, plastic flip-straw lid

A
B
PFASAll
A · Very low PFAS2 flags

Lower concern; stainless-steel core with no known PFAS-prone features, but plastic lid composition unconfirmed.

Bare metal or glass, no coating at all

S'well bottle 17 oz White - Unique Design - 1 bottle You Choose

S'well

bottle 17 oz White - Unique Design - 1 bottle You Choose

Stainless steel vacuum-insulated walls; BPA-free plastic lid

A
B
PFASAll
A · Very low PFAS3 flags

Lower concern, stainless steel core is PFAS-resistant, but lid material not publicly detailed.

Bare metal or glass, no coating at all

S well Traveler

S'well

S well Traveler

Stainless steel exterior, internal water filter (carbon/ion-exchange)

A
C
PFASAll
A · Very low PFAS4 flags

Lower-concern materials, but S'well discloses nothing about filter composition, request details before buying.

Bare metal or glass, no coating at all

Hydro Flask 32 oz Wide Mouth Water Bottle

Hydro Flask

32 oz Wide Mouth Water Bottle

Stainless steel body, plastic lid (unspecified polymer)

A
B
PFASAll
A · Very low PFAS3 flags

Lower PFAS concern for the core product; verify lid material source if PFAS-sensitive.

Bare metal or glass, no coating at all

Hydro Flask 32 oz Lightweight Flex Straw Bottle

Hydro Flask

32 oz Lightweight Flex Straw Bottle

Stainless steel bottle; silicone straw

A
A
PFASAll
A · Very low PFAS2 flags

Lower PFAS concern, stainless steel core with silicone straw avoid typical Teflon-family coating coatings, but Hydro Flask makes no public PFAS disclosure.

Bare metal or glass, no coating at all

Hydro Flask 24oz Standard Flex Straw Cap

Hydro Flask

24oz Standard Flex Straw Cap

Stainless steel bottle, silicone straw cap

A
A
PFASAll
A · Very low PFAS2 flags

Lower PFAS concern; standard hydration bottle with no known problematic coatings or treatment.

Bare metal or glass, no coating at all

Epic Water Filters The Answer 2.0 Hydro Flask Water Filter

Hydro Flask

Epic Water Filters The Answer 2.0 Hydro Flask Water Filter

Activated carbon filter cartridge, stainless steel housing

A
B
PFASAll
A · Very low PFAS3 flags

Lower-concern water filter with no known PFAS-prone materials, but brand makes no explicit PFAS commitment.

Bare metal or glass, no coating at all

Hydro Flask Micro Hydro Mini Bottle

Hydro Flask

Micro Hydro Mini Bottle

Stainless steel vacuum-insulated double wall

A
B
PFASAll
A · Very low PFAS3 flags

Lower concern; stainless steel bottle poses minimal PFAS risk, but brand transparency is absent.

Bare metal or glass, no coating at all

Hydro Flask 32 oz Wide Mouth Travel Bottle with Flex Straw Cap in Harbor Blue

Hydro Flask

32 oz Wide Mouth Travel Bottle with Flex Straw Cap in Harbor Blue

Stainless steel body and cap; flex straw likely polypropylene or silicone

A
B
PFASAll
A · Very low PFAS3 flags

Lower-concern product; stainless steel construction mitigates PFAS risk, but flex straw material unconfirmed.

Bare metal or glass, no coating at all

Hydro Flask 24oz Wide Mouth Flex Straw Cap

Hydro Flask

24oz Wide Mouth Flex Straw Cap

Stainless steel bottle; polymer cap and straw

A
C
PFASAll
A · Very low PFAS4 flags

Lower-concern water bottle; stainless steel body is PFAS-free, but cap/straw materials lack public transparency.

Bare metal or glass, no coating at all

Soma 24oz Stainless Steel Water Bottle

Soma

24oz Stainless Steel Water Bottle

Stainless steel bottle (primary); internal cap/closure materials unspecified

A
C
PFASAll
A · Very low PFAS4 flags

Lower concern for the bottle itself; verify cap materials with brand before buying.

Bare metal or glass, no coating at all

Soma Further Push Pull Water Bottle

Soma

Further Push Pull Water Bottle

BPA-free Tritan copolyester plastic body; stainless steel or plastic cap

A
C
PFASAll
A · Very low PFAS3 flags

Lower concern for typical use; no known PFAS red flags, but brand silence leaves room for uncertainty.

Bare metal or glass, no coating at all

V2 Soma Bottle

Soma

V2 Soma Bottle

Stainless steel bottle with carbon/charcoal filter cartridge

A
B
PFASAll
A · Very low PFAS3 flags

Lower PFAS concern, stainless/carbon construction, but no transparency on filter composition or PFAS testing.

Bare metal or glass, no coating at all

Soma 25oz Glass Water Bottle

Soma

25oz Glass Water Bottle

borosilicate glass bottle with silicone/TPE lid

A
C
PFASAll
A · Very low PFAS4 flags

Lower concern, glass construction avoids PFAS-prone materials, but lid composition unspecified.

Bare metal or glass, no coating at all

Clearly Filtered Water Bottle Removes 220+ Contaminants Double Wall Insulated Stainless Steel

Clearly Filtered

Water Bottle Removes 220+ Contaminants Double Wall Insulated Stainless Steel

Stainless steel double-wall insulation; filter media unspecified

A
B
PFASAll
A · Very low PFAS4 flags

Lower PFAS concern for the bottle itself; filter media composition remains opaque.

Bare metal or glass, no coating at all

40oz Insulated Stainless Steel Filtered Water Bottle

Clearly Filtered

40oz Insulated Stainless Steel Filtered Water Bottle

Stainless steel body; carbon/activated carbon filter cartridge

A
B
PFASAll
A · Very low PFAS2 flags

Lower PFAS concern for the steel body; filter cartridge composition requires brand clarification.

Bare metal or glass, no coating at all

32oz Stainless Bottle Cap and Straw

Clearly Filtered

32oz Stainless Bottle Cap and Straw

Stainless steel cap and straw

A
A
PFASAll
A · Very low PFAS2 flags

Lower concern for this specific component; stainless steel is intrinsically PFAS-free.

Bare metal or glass, no coating at all

Grayl UltraPress Purifier Bottle

Clearly Filtered

Grayl UltraPress Purifier Bottle

Borosilicate glass filter cartridge; coconut-shell activated carbon; polypropylene housing

A
A
PFASAll
A · Very low PFAS2 flags

Lower-concern design; no known PFAS-prone materials, but brand offers no explicit disclosure.

Bare metal or glass, no coating at all

Clearly Filtered Water Bottle Removes 220+ Contaminants Double Wall Insulated Stainless Steel

Culligan

Clearly Filtered Water Bottle Removes 220+ Contaminants Double Wall Insulated Stainless Steel

Double-wall stainless steel with activated carbon filter media

A
C
PFASAll
A · Very low PFAS3 flags

Lower concern for the bottle itself; primary PFAS risk lies in filter cartridge composition, demand transparency from Culligan.

Bare metal or glass, no coating at all

ZeroWater 500ml Stainless Steel Bottle

ZeroWater

500ml Stainless Steel Bottle

Stainless steel bottle; filter composition not specified by brand

A
B
PFASAll
A · Very low PFAS3 flags

Lower concern for bottle itself, but filter composition opacity prevents higher confidence.

Bare metal or glass, no coating at all

ZeroWater Tumbler, Portable Filtration, 26 Ounce

ZeroWater

Tumbler, Portable Filtration, 26 Ounce

Tritan copolyester tumbler with carbon/ion-exchange filter media

A
F
PFASAll
A · Very low PFAS4 flags

Lower PFAS concern for tumbler body; filter efficacy claims unverified by third party.

Brand claims PFAS-free (unverified)

ZERO Water Bottle

ZeroWater

ZERO Water Bottle

Ion-exchange resin filter cartridges, BPA-free plastic pitcher

A
B
PFASAll
A · Very low PFAS3 flags

Lower concern, brand claims PFAS-free with third-party backing, but filter efficacy claims should be verified independently.

MADE SAFE certified (PFAS concern)

Verified PFAS-free by a third party

ZeroWater 5 Gallon Water Cooler Filtration System

ZeroWater

5 Gallon Water Cooler Filtration System

ion-exchange resin cartridge; plastic housing

A
A
PFASAll
A · Very low PFAS2 flags

Lower PFAS concern; ion-exchange filters are inherently PFAS-reduction products, though independent PFAS detection testing of ZeroWater's specific cartridges is

NSF/ANSI Standard 42 (chlorine, taste/odor)NSF/ANSI Standard 53 (lead, contaminants)

Brand claims PFAS-free (unverified)

Avanti ZJ007 ZeroWater Water Bottle Kit

ZeroWater

Avanti ZJ007 ZeroWater Water Bottle Kit

Activated carbon and ion-exchange resin filter media; reusable plastic bottle

A
C
PFASAll
A · Very low PFAS4 flags

Lower PFAS concern for the filter media itself; verify bottle material composition independently.

WQA Gold Seal (NSF/ANSI 42 & 53 certified)

Verified PFAS-free by a third party

ZeroWater Dispenser

ZeroWater

Dispenser

Ion-exchange resin cartridge, plastic pitcher housing

A
A
PFASAll
A · Very low PFAS2 flags

Lower concern; pitcher itself uses common, low-risk materials, and brand explicitly claims PFAS-free design, but independent lab verification would strengthen co

Brand claims PFAS-free (unverified)

KOR 650mL Nava Filter Water Bottle

Naya

KOR 650mL Nava Filter Water Bottle

Stainless steel body; carbon/activated carbon filter media

A
B
PFASAll
A · Very low PFAS3 flags

Lower-concern water bottle, common filter materials carry minimal PFAS risk, but brand silence leaves some uncertainty.

Bare metal or glass, no coating at all

KOR Nava Filter Water Bottle - 24 oz (700 mL) Ocean Moss

Naya

KOR Nava Filter Water Bottle - 24 oz (700 mL) Ocean Moss

Stainless steel body, activated carbon filter cartridge

A
B
PFASAll
A · Very low PFAS3 flags

Lower PFAS concern for the bottle itself; filter cartridge composition needs clarification.

Bare metal or glass, no coating at all

Nayad 64oz. Stainless Double Wall Traveler Bottle

Naya

d 64oz. Stainless Double Wall Traveler Bottle

Stainless steel double-wall construction

A
A
PFASAll
A · Very low PFAS2 flags

Lower PFAS concern; stainless steel bottles rarely contain PFAS, but Nayad offers no transparency.

Bare metal or glass, no coating at all

PHILIPS Water GoZero Daily Insulated Bottle 550 ml

Philips

Water GoZero Daily Insulated Bottle 550 ml

Stainless steel insulated bottle with filter cartridge (likely activated carbon)

A
A
PFASAll
A · Very low PFAS2 flags

Lower PFAS concern; basic insulated bottle with standard carbon filtration, but brand offers no transparency.

Bare metal or glass, no coating at all

LifeStraw Go Series Water Filter Bottle 1L

LifeStraw

Go Series Water Filter Bottle 1L

Plastic bottle with hollow-fiber membrane filtration cartridge

A
B
PFASAll
A · Very low PFAS3 flags

Lower concern for PFAS, but brand transparency on filter composition would strengthen confidence.

Brand says nothing about PFAS

PUR Water Bottle

PUR

Water Bottle

BPA-free plastic bottle with activated carbon filter cartridge

A
B
PFASAll
A · Very low PFAS3 flags

Lower concern, but brand offers no PFAS transparency, ask them directly.

Brand says nothing about PFAS

Pur Dining | Pur Water Filtration Bottle With Filter Nib | Color: Blue | Size: 7 Cup | Rebeccas_Cloth's Closet

PUR

Dining | Pur Water Filtration Bottle With Filter Nib | Color: Blue | Size: 7 Cup | Rebeccas_Cloth's Closet

Activated carbon filter cartridge; BPA-free plastic housing

A
A
PFASAll
A · Very low PFAS1 flag

Lower concern for typical PUR pitcher filters; carbon and plastic housing are not inherent PFAS vectors, but no public PFAS testing disclosed.

Brand says nothing about PFAS

Joypur Portable Electric Water Filter Bottle – 22oz Purifier for Camping, Travel & Daily Use

PUR

Joypur Portable Electric Water Filter Bottle – 22oz Purifier for Camping, Travel & Daily Use

Activated carbon filter cartridge (standard type); plastic housing

A
F
PFASAll
A · Very low PFAS4 flags

Lower PFAS concern for the filter media itself, but PUR's silence on PFAS in electrolysis cartridges is a gap.

Brand says nothing about PFAS

Pur Portable Antimicrobial Water Purifier, Travelling, Hiking

PUR

Portable Antimicrobial Water Purifier, Travelling, Hiking

Carbon/ceramic filtration media, plastic housing

A
C
PFASAll
A · Very low PFAS3 flags

Lower PFAS concern for typical portable carbon/ceramic filter, but limited brand transparency.

Brand says nothing about PFAS

Adventure Medical RapidPure Purifier Bottle

PUR

Adventure Medical RapidPure Purifier Bottle

Polycarbonate/silicone bottle with activated carbon & resin filter cartridge

A
C
PFASAll
A · Very low PFAS5 flags

Lower PFAS concern for core bottle; filter cartridge composition opacity prevents higher confidence.

Brand says nothing about PFAS

CamelBak Eddy+ Filtered by LifeStraw Water Bottle

CamelBak

Eddy+ Filtered by LifeStraw Water Bottle

Tritan copolyester bottle; carbon/activated charcoal filter cartridge

A
B
PFASAll
A · Very low PFAS3 flags

Lower-concern for typical use; filter material not publicly specified, verify replacement cartridge sourcing.

Brand says nothing about PFAS

CamelBak Chute Mag Bottle

CamelBak

Chute Mag Bottle

Plastic (Copolyester) body and cap; silicone valve

A
B
PFASAll
A · Very low PFAS3 flags

Lower PFAS concern; common durable plastic bottle with no known PFAS triggers, but no brand transparency on material sourcing.

Brand says nothing about PFAS

CamelBak Podium Water Bottle

CamelBak

Podium Water Bottle

Polyethylene (bottle body); polypropylene (cap); no known Teflon-family coating

A
B
PFASAll
A · Very low PFAS3 flags

Lower-concern water bottle; no PFAS-prone materials, but brand offers no public PFAS transparency.

Brand says nothing about PFAS

CamelBak Eddy+ 20oz Tritan Renew Filtered by LifeStraw

CamelBak

Eddy+ 20oz Tritan Renew Filtered by LifeStraw

Tritan Renew (copolyester), carbon/LifeStraw filter

A
B
PFASAll
A · Very low PFAS2 flags

Lower concern; no known PFAS risks, but brand silence on materials limits full assurance.

Brand says nothing about PFAS

CamelBak 20 oz Eddy+ Bottle Filtered by LifeStraw Charcoal

CamelBak

20 oz Eddy+ Bottle Filtered by LifeStraw Charcoal

Tritan copolyester bottle + charcoal filtration media

A
D
PFASAll
A · Very low PFAS3 flags

Lower PFAS concern; standard materials but no transparency from brand.

Brand says nothing about PFAS

CamelBak Eddy+ 20oz Tritan Renew Filtered by L

CamelBak

Eddy+ 20oz Tritan Renew Filtered by L

Tritan Renew copolyester bottle; carbon/activated carbon filter cartridge

A
C
PFASAll
A · Very low PFAS3 flags

Lower-concern water bottle; carbon filters carry mild PFAS migration risk, replace regularly.

Brand says nothing about PFAS

Eco Vessel Aqua Vessel Ultra Lite Tritan 25oz Water Bottle

Aqua Vault

Eco Vessel Aqua Vessel Ultra Lite Tritan 25oz Water Bottle

Tritan copolyester (plastic)

A
C
PFASAll
A · Very low PFAS3 flags

Lower-concern option; Tritan is BPA-free but PFAS status unconfirmed by brand, no red flags typical of nonstick or water-resistant coatings.

Brand says nothing about PFAS

Mist Sports Squeeze Water Bottle

Aqua Vault

Mist Sports Squeeze Water Bottle

Plastic squeeze bottle with silicone or rubber spout (assumed standard HDPE/PP)

A
B
PFASAll
A · Very low PFAS2 flags

Lower concern for PFAS, but brand provides no transparency on coatings or materials.

Brand says nothing about PFAS

Aquamira Shift Filter Bottle

Aqua Vault

Aquamira Shift Filter Bottle

plastic bottle with carbon/activated carbon filter cartridge

A
D
PFASAll
A · Very low PFAS4 flags

Lower concern for PFAS risk, but brand silence on filter materials weakens confidence.

Brand says nothing about PFAS

Grayl UltraPress Purifier Bottle

Grayl

UltraPress Purifier Bottle

BPA-free plastic bottle body, coconut-fiber replaceable filter media

A
C
PFASAll
A · Very low PFAS4 flags

Lower-concern option; no red flags but brand discloses nothing about PFAS testing.

Brand says nothing about PFAS

Grayl GeoPress Water Purifier

Grayl

GeoPress Water Purifier

Polypropylene (PP) filter cartridge housing; activated coconut carbon/resin filter media

A
C
PFASAll
A · Very low PFAS4 flags

Lower-concern PFAS profile, but brand is silent on PFAS practices.

Brand says nothing about PFAS

Grayl UltraPress Purifier Nature Edition

Grayl

UltraPress Purifier Nature Edition

Plastic housing with activated carbon cartridge

A
C
PFASAll
A · Very low PFAS4 flags

Lower-concern water filter; no known PFAS use, but brand does not disclose composition details.

Brand says nothing about PFAS

Grayl UltraPress Ti Purifier

Grayl

UltraPress Ti Purifier

Titanium-reinforced polymer body, activated carbon filter media

A
B
PFASAll
A · Very low PFAS2 flags

Lower-concern design, but Grayl doesn't disclose PFAS, ask before buying if it matters to you.

Brand says nothing about PFAS

Grayl GeoPress Ti Purifier

Grayl

GeoPress Ti Purifier

Titanium-reinforced thermoplastic, activated coconut-carbon filter

A
B
PFASAll
A · Very low PFAS3 flags

Lower PFAS concern; portable water filters rarely use PFAS, but Grayl doesn't disclose, verify directly.

Brand says nothing about PFAS

Soma Further Extra Large Cycling Water Bottle (Clear/Black) (Pull-Open

Soma

Further Extra Large Cycling Water Bottle (Clear/Black) (Pull-Open

BPA-free plastic (likely polypropylene or copolyester); no coating disclosed

A
B
PFASAll
A · Very low PFAS2 flags

Lower concern, standard reusable bottle with no evident PFAS-prone treatments, but brand offers no transparency.

Brand says nothing about PFAS

SOMA Hydration Starter

Soma

Hydration Starter

Activated carbon filter cartridge (primary component)

A
B
PFASAll
A · Very low PFAS2 flags

Lower-concern choice; carbon filters are a standard PFAS-removal tool, though Soma makes no explicit claims.

Brand says nothing about PFAS

Soma Clear Taste Water Bottle

Soma

Clear Taste Water Bottle

BPA-free plastic bottle with activated carbon filter

A
C
PFASAll
A · Very low PFAS4 flags

Lower-concern for PFAS, but limited transparency; Soma hasn't disclosed filter composition or PFAS testing.

Brand says nothing about PFAS

Soma Polypropylene Water Bottle

Soma

Polypropylene Water Bottle

Polypropylene (PP) bottle body

A
F
PFASAll
A · Very low PFAS5 flags

Lower PFAS concern for the bottle itself; filter cartridges are the unknown risk.

Brand says nothing about PFAS

Kids Filtered Water Bottle

Clearly Filtered

Kids Filtered Water Bottle

Activated carbon filter cartridge, plastic housing

A
C
PFASAll
A · Very low PFAS4 flags

Lower-concern choice for filtered water bottles, but no public PFAS disclosure from brand.

Brand says nothing about PFAS

Tritan 24oz BPA-Free Clearly Filtered Water Bottle

Clearly Filtered

Tritan 24oz BPA-Free Clearly Filtered Water Bottle

Tritan copolyester plastic + likely activated carbon filter

A
B
PFASAll
A · Very low PFAS2 flags

Lower-concern choice for the bottle itself, but filter PFAS merit unverified, check filter source.

Brand says nothing about PFAS

20oz Silicone Bottle with Straw and Adaptor

Clearly Filtered

20oz Silicone Bottle with Straw and Adaptor

silicone bottle body with straw and adapter

A
B
PFASAll
A · Very low PFAS2 flags

Lower concern product, but brand makes no PFAS commitment, verify with Clearly Filtered if concerned.

Brand says nothing about PFAS

Mist Sports Squeeze Water Bottle

Clearly Filtered

Mist Sports Squeeze Water Bottle

Food-grade plastic (likely polypropylene or polyethylene) squeeze bottle; internal filter cartridge materials unspecifie

A
D
PFASAll
A · Very low PFAS3 flags

Lower PFAS concern for bottle itself; filter cartridge material opacity warrants caution.

Brand says nothing about PFAS

Culligan 5 Gallon Refill Bottle

Culligan

5 Gallon Refill Bottle

polycarbonate or polyethylene plastic bottle; carbon/resin filter media

A
D
PFASAll
A · Very low PFAS4 flags

Lower-concern for typical use; plastic bottle itself unlikely to leach PFAS, but no brand transparency on filter composition.

Brand says nothing about PFAS

Culligan Water Filter Bottles Personal Portable Two Pack

Culligan

Water Filter Bottles Personal Portable Two Pack

Plastic bottle housing, carbon/activated carbon filter media

A
B
PFASAll
A · Very low PFAS3 flags

Lower-concern category; no known PFAS hotspots, but brand transparency is absent.

Brand says nothing about PFAS

Culligan Water Filter Bottles Personal Portable In Box

Culligan

Water Filter Bottles Personal Portable In Box

plastic bottle with activated carbon/charcoal filter cartridge

A
B
PFASAll
A · Very low PFAS2 flags

Lower-concern choice; carbon filters are PFAS-safe, but brand silence on materials warrants caution.

Brand says nothing about PFAS

Culligan Bottled Water

Culligan

Bottled Water

Bottled water (purified/filtered); plastic bottles (PET or HDPE)

A
B
PFASAll
A · Very low PFAS2 flags

Lower PFAS concern for the water itself; plastic bottle origin unclear, standard bottled water category.

Brand says nothing about PFAS

Seychelle 28oz Water Filter Bottle

Culligan

Seychelle 28oz Water Filter Bottle

Plastic bottle with carbon/coconut filter cartridge

A
B
PFASAll
A · Very low PFAS2 flags

Lower concern for PFAS, but brand transparency is absent, carbon filters are generally low-risk.

Brand says nothing about PFAS

3 Gallon Culligan Drinking Water

Culligan

3 Gallon Culligan Drinking Water

purified drinking water in polycarbonate or polyethylene container

A
B
PFASAll
A · Very low PFAS2 flags

Lower concern for this product; purchased water itself is unlikely PFAS source, but container composition unknown.

Brand says nothing about PFAS

On the Go Filter Water Bottle

Culligan

On the Go Filter Water Bottle

Plastic bottle with activated carbon/ion-exchange filter cartridge

A
B
PFASAll
A · Very low PFAS2 flags

Lower concern, but limited transparency, standard portable filter bottle with no documented PFAS risk, though Culligan provides no public PFAS disclosure.

Brand says nothing about PFAS

ZERO Water Bottle Dark

ZeroWater

ZERO Water Bottle Dark

Plastic (BPA-free stated), activated carbon filter media

A
C
PFASAll
A · Very low PFAS3 flags

Lower concern for PFAS, but brand offers no transparency, standard carbon-filter pitcher.

Brand says nothing about PFAS

ZERO Water Bottle Colors

ZeroWater

ZERO Water Bottle Colors

Plastic bottle body; ion-exchange resin filter cartridge

A
B
PFASAll
A · Very low PFAS2 flags

Lower concern for the bottle itself; filter composition warrants inquiry before purchase.

Brand says nothing about PFAS

Naya Canadian Natural Spring Water

Naya

Canadian Natural Spring Water

Spring water in PET plastic bottle

A
B
PFASAll
A · Very low PFAS3 flags

Lower PFAS concern for the product itself, but verify bottle source and recycling practices.

Brand says nothing about PFAS

Promotional KOR Nava Water Bottle w/Filter - 24ozs

Naya

Promotional KOR Nava Water Bottle w/Filter - 24ozs

Plastic bottle (likely Tritan or polycarbonate) with replaceable carbon filter

A
B
PFASAll
A · Very low PFAS2 flags

Lower concern for PFAS risk, but brand transparency is lacking.

Brand says nothing about PFAS

Blue Custom Water Bottles Kor Nava Bottle w/Filter - 24oz

Naya

Blue Custom Water Bottles Kor Nava Bottle w/Filter - 24oz

BPA-free plastic bottle with activated carbon filter

A
C
PFASAll
A · Very low PFAS3 flags

Lower concern for the bottle itself; filter composition not disclosed, contact brand for specifics.

Brand says nothing about PFAS

Personalized 26 oz. NAYAD

Naya

Personalized 26 oz. NAYAD

BPA-free plastic bottle with carbon filter cartridge

A
C
PFASAll
A · Very low PFAS4 flags

Lower PFAS concern for the bottle itself, but check filter cartridge sourcing before buying.

Brand says nothing about PFAS

PHILIPS Filtered Water Bottle, BPA-Free Tritan Plastic Water Bottles, Replaces 450 Plastic Water Bottle with Reusable GoZero Everyday Water Filter,

Philips

Filtered Water Bottle, BPA-Free Tritan Plastic Water Bottles, Replaces 450 Plastic Water Bottle with Reusable GoZero Everyday Water Filter,

Tritan plastic (BPA-free copolyester); activated carbon/ion-exchange filter media

A
B
PFASAll
A · Very low PFAS3 flags

Lower PFAS concern, but Philips offers no public commitment; activated carbon filters are generally safer than ion-exchange resins.

Brand says nothing about PFAS

Philips GoZero UV Smart Bottle

Philips

GoZero UV Smart Bottle

Plastic bottle with UV-C light chamber; filtration cartridge composition not fully disclosed

A
C
PFASAll
A · Very low PFAS4 flags

Lower concern for PFAS risk, but limited transparency on filter materials and coatings.

Brand says nothing about PFAS

Philips GoZero Active Bottle with Fitness Filter

Philips

GoZero Active Bottle with Fitness Filter

Activated carbon filter cartridge with plastic housing

A
F
PFASAll
A · Very low PFAS4 flags

Lower-concern water filter; carbon and plastic housing unlikely PFAS vectors, but Philips makes no public PFAS disclosure.

Brand says nothing about PFAS

PHILIPS Water GoZero Active BPA-Free Water Bottle with River/Lake/Spring Water Filter for Hiking Camping, Sport Squeeze Water Bottle, Lightweight,

Philips

Water GoZero Active BPA-Free Water Bottle with River/Lake/Spring Water Filter for Hiking Camping, Sport Squeeze Water Bottle, Lightweight,

BPA-free plastic bottle with carbon/activated charcoal filter cartridge

A
C
PFASAll
A · Very low PFAS4 flags

Lower PFAS concern for the bottle itself, but filter cartridge material composition not publicly disclosed.

Brand says nothing about PFAS

Philips GoZero Active Water Bottle

Philips

GoZero Active Water Bottle

Plastic bottle with activated carbon filter cartridge

A
B
PFASAll
A · Very low PFAS2 flags

Lower concern for typical use, but Philips provides no PFAS transparency on filter composition.

Brand says nothing about PFAS

Graded and flagged D and F, we’d swap these

LifeStraw Go Stainless Steel Water Filter Bottle

LifeStraw

Go Stainless Steel Water Filter Bottle

Stainless steel bottle with activated carbon/coconut shell filter

D
D · Elevated

Lower concern for bottle; activated carbon filter composition unconfirmed, contact brand for clarity.

Stain-resistant finish

S'WELL Water Bottle

S'well

Water Bottle

Double-wall stainless steel (primary container material)

D
D · Elevated

Lower concern, stainless steel bottles rarely require PFAS, but S'well does not publicly disclose material treatments or PFAS policy.

Stain-resistant finish

Philips GoZero Everyday Insulated Stainless Steel Water Bottle with Filter

Philips

GoZero Everyday Insulated Stainless Steel Water Bottle with Filter

Stainless steel bottle; activated carbon filter

D
D · Elevated

Lower concern; stainless steel and carbon filters are typical low-PFAS materials, but Philips makes no public PFAS commitment.

Stain-resistant finish

Filtered Water Bottle with Nanofiber Fast Flow Filter Media

PUR

Filtered Water Bottle with Nanofiber Fast Flow Filter Media

Nanofiber filter media (composition unspecified)

F
F · High PFAS

Skip until PUR discloses nanofiber composition, PFAS risk unclear.

Undisclosed proprietary coating

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