A

Is ZeroWater PFAS-free?

Across 26 graded products, ZeroWater averages A (97/100). On disclosure, the brand says nothing publicly about PFAS. 26 of its products grade C or better. Grades are model-based estimates, not lab results.

Worth buying from ZeroWater C or better, safest first

ZeroWater Filter

ZeroWater

Filter

A
B
PFASAll
A · Very low PFAS3 flags

Lab test found no PFAS

ZeroWater 40-Cup Glass Water Filter Dispenser

ZeroWater

40-Cup Glass Water Filter Dispenser

borosilicate glass, plastic pitcher housing, ion-exchange resin cartridge

A
B
PFASAll
A · Very low PFAS3 flags

Lower concern on PFAS, but brand silence on cartridge composition is a missed transparency opportunity.

Bare metal or glass, no coating at all

Culligan ZeroWater Technology 22-Cup Ready Water Filtration Dispenser

ZeroWater

Culligan ZeroWater Technology 22-Cup Ready Water Filtration Dispenser

Plastic housing, activated carbon + ion-exchange resin filter media

A
C
PFASAll
A · Very low PFAS4 flags

Lower concern, but verify filter cartridge specs before relying on PFAS claims.

Brand claims PFAS-free (unverified)

ZeroWater 12 Cup Ready Read Water Filtration Pitcher

ZeroWater

12 Cup Ready Read Water Filtration Pitcher

polystyrene pitcher, activated carbon filter cartridge

A
C
PFASAll
A · Very low PFAS4 flags

Lower concern, but no third-party PFAS testing publicly confirmed, brand's claim unverified.

Brand claims PFAS-free (unverified)

Culligan 10 Cup Pitcher

ZeroWater

Culligan 10 Cup Pitcher

activated carbon filter cartridge, BPA-free plastic pitcher body

A
C
PFASAll
A · Very low PFAS4 flags

Lower-concern water filter; PFAS removal is the stated purpose, but no third-party verification of filtration claims.

Brand claims PFAS-free (unverified)

ZeroWater Replacement Filter ZR-008

ZeroWater

Replacement Filter ZR-008

Ion-exchange resin with activated carbon

A
B
PFASAll
A · Very low PFAS3 flags

Lower PFAS concern for the product itself, but no third-party lab verification of actual removal claims.

Brand claims PFAS-free (unverified)

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)

ZeroWater 32 Cup Ready-Read Water Filtration Dispenser

ZeroWater

32 Cup Ready-Read Water Filtration Dispenser

plastic reservoir, activated carbon filter media

A
B
PFASAll
A · Very low PFAS2 flags

Lower concern water filter; standard carbon-based filtration with no known PFAS indicators, but brand offers no transparency on filter coating details.

Brand says nothing about PFAS

ZeroWater Ready-Pour 20 Cups Blue Water Filter Pitcher

ZeroWater

Ready-Pour 20 Cups Blue Water Filter Pitcher

BPA-free plastic pitcher body; carbon and ion-exchange resin filter media

A
B
PFASAll
A · Very low PFAS3 flags

Lower-concern product; no known PFAS in core materials, but ZeroWater discloses nothing about PFAS in filters or pitcher.

Brand says nothing about PFAS

ZeroWater 7 Cup Ready-Pour Water Filter Pitcher ZP-007RP

ZeroWater

7 Cup Ready-Pour Water Filter Pitcher ZP-007RP

BPA-free plastic pitcher, activated carbon + ion exchange resin filter

A
B
PFASAll
A · Very low PFAS2 flags

Lower-concern option; activated carbon filters are PFAS-safe but pitcher material unvetted.

Brand says nothing about PFAS

ZeroWater 10 Cup Water Pitcher

ZeroWater

10 Cup Water Pitcher

Plastic pitcher body; activated carbon filter media

A
F
PFASAll
A · Very low PFAS5 flags

Lower concern for PFAS; standard carbon filter pitcher with no known red flags, but brand provides no public PFAS statement.

Brand says nothing about PFAS

ZeroWater 23Cup Water Filtration Dispenser

ZeroWater

23Cup Water Filtration Dispenser

plastic pitcher with activated carbon/ion-exchange resin filter cartridge

A
B
PFASAll
A · Very low PFAS2 flags

Lower concern for PFAS; standard water filter with no red flags, but brand provides no transparency on materials.

Brand says nothing about PFAS

ZeroWater ExtremeLife Faucet Mount Water Filter

ZeroWater

ExtremeLife Faucet Mount Water Filter

Activated carbon filter media, plastic housing

A
D
PFASAll
A · Very low PFAS3 flags

Lower-concern choice; water filters using activated carbon and standard plastics avoid common PFAS sources, but ZeroWater provides no explicit PFAS assurance.

Brand says nothing about PFAS

ZeroWater ExtremeLife Faucet Filter - White Standard Faucet Mount Water Filter System

ZeroWater

ExtremeLife Faucet Filter - White Standard Faucet Mount Water Filter System

Activated carbon filter; plastic faucet mount housing

A
C
PFASAll
A · Very low PFAS3 flags

Lower concern for faucet-mount filter; no red flags, but brand makes no PFAS transparency commitment.

Brand says nothing about PFAS

ZeroWater ExtremeLife Faucet Mount Water Filtration System

ZeroWater

ExtremeLife Faucet Mount Water Filtration System

activated carbon filter media, plastic housing

A
C
PFASAll
A · Very low PFAS4 flags

Lower PFAS concern for filter cartridge itself; no PFAS claims or disclosures found.

Brand says nothing about PFAS

Culligan ZeroWater Official Replacement Filter 4-Pack

ZeroWater

Culligan ZeroWater Official Replacement Filter 4-Pack

Ion-exchange resin cartridge (primary filtration media)

A
C
PFASAll
A · Very low PFAS4 flags

Lower PFAS concern; standard carbon/ion-exchange filter with no known PFAS triggers, but brand discloses nothing.

Brand says nothing about PFAS

ZeroWater Replacement Filter 2-Pack

ZeroWater

Replacement Filter 2-Pack

Ion-exchange resin, activated carbon filtration media

A
C
PFASAll
A · Very low PFAS3 flags

Lower concern for PFAS, but brand silence on composition leaves some uncertainty.

Brand says nothing about PFAS

ZeroWater Replacement Cartridge, Faucet Mount, High Capacity

ZeroWater

Replacement Cartridge, Faucet Mount, High Capacity

Activated carbon, ion-exchange resin, polypropylene housing

A
C
PFASAll
A · Very low PFAS3 flags

Lower PFAS concern, but no brand transparency on filtration media or housing composition.

Brand says nothing about PFAS

ZeroWater Replacement Water Filter 3-Pack

ZeroWater

Replacement Water Filter 3-Pack

Ion-exchange resin cartridge, proprietary blend

A
F
PFASAll
A · Very low PFAS5 flags

Lower-concern filter type, but brand silence on PFAS in resins warrants caution.

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

Every grade uses the same public rubric. How grades work →