Clearly Filtered · Filtered Water Bottles
Kids Filtered Water Bottle
Lower-concern choice for filtered water bottles, but no public PFAS disclosure from brand.
Clearly Filtered's water filter bottles use activated carbon cartridges, a well-established, lower-risk filtration medium not typically associated with PFAS. However, the brand provides no published statement about PFAS avoidance in either the filter media or plastic housing.
Shop Clearly Filtered on Amazon →Material
Activated carbon filter cartridge, plastic housing
Brand disclosure
Brand is silent on PFAS
Lab data
No public lab test
Why this grade
Safe base material
Made from a material with no inherent PFAS use (ceramic, mineral, or natural fiber).
No PFAS disclosure
No public statement about PFAS in this product.
The full breakdown
What it's made of and why it matters
The Clearly Filtered Kids bottle uses activated carbon filter cartridges (the filtration medium) housed in plastic, likely polypropylene or similar food-contact polymer. Activated carbon itself is inert and widely used in certified water filters; the concern shifts to whether the plastic housing leaches chemicals into water, especially if heated or refilled repeatedly. The filter cartridge is replaceable, which reduces risk of degraded carbon breaking down over time.
The brand's record and disclosure
Clearly Filtered markets its filters with claims about contaminant removal but does not publish third-party NSF/ANSI certification or detailed material safety data sheets publicly. The brand has not issued public statements acknowledging PFAS testing or removal performance, despite PFAS being a known drinking-water concern. No major recalls or safety controversies are on record for this product line, and the company operates in a competitive category where transparency varies widely.
How it compares in its category
Filtered water bottles range from simple carbon inserts to complex multi-stage systems. Clearly Filtered positions itself as higher-end but lacks NSF certification that competitors like LifeStraw or Brita often claim. Most activated-carbon-only bottles have similar plastic leaching risk and carbon degradation timelines (typically 40-100 gallons before replacement); this product is middle-ground in price and transparency relative to the category.
If you buy it
Replace the filter cartridge every 2-3 months or after 40-50 gallons (follow manufacturer guidance on the package). Do not fill with hot water; activated carbon filters are designed for cold or room-temperature water. Hand-wash the plastic housing regularly to prevent bacterial biofilm and inspect for cloudiness or cracks in the plastic body. Store refilled bottle in the refrigerator if it sits more than a few hours to minimize microbial growth in the filtered water.
Beyond PFAS: other things we checked
Established hazard classes for this product type, assessed from public information. These never change the PFAS grade; a Likely flag caps the Verdict at “Buy with care.”
Plastic leaching (BPA/BPS or unlabeled polymers)
The plastic housing material is not specified in publicly available product details. If polycarbonate or recycled plastic is used, BPA/BPS leaching is possible under repeated use or if filled with warm water; polypropylene is safer but still requires verification of food-contact compliance.
Bacterial growth in filter housing or cartridge
If the bottle is not cleaned regularly or the filter cartridge is not replaced on schedule, stagnant water in the housing or degraded carbon can support bacterial biofilm, especially in warm environments or if left sitting for days.
Activated carbon filter degradation and particle release
Overused or aged activated carbon can break down into fine particles that pass through into drinking water; the product does not specify how many gallons before mandatory replacement, relying on user judgment or packaging guidance that may be missed.
Microplastics from plastic housing wear
No published studies have documented microplastic shedding from Clearly Filtered bottles specifically. Repeated squeezing, freezing, or UV exposure of plastic bottles can theoretically increase particle release, but this is not a documented issue for this brand or product class at present.
Contaminant removal performance not independently verified
Clearly Filtered makes removal claims (e.g., chlorine, lead, taste/odor) but does not disclose NSF/ANSI certification or independent third-party test results, making it difficult to verify actual performance compared to certified competitors.
What we don’t know
This grade is a model-based estimate from public materials, coatings, and brand disclosure at 62% confidence. It is not a lab result.
No independent PFAS lab test is on record for this exact product. A lab test could move the score in either direction.
The brand has not made a specific, verifiable PFAS-free statement, so part of this score reflects that missing disclosure rather than a confirmed material.
Formulations and coatings change between production runs. Always check the current label before buying.
Safer alternatives in Filtered Water Bottles
LifeStraw
Go 2.0 Water Filter Bottle
Borosilicate glass bottle, coconut-shell activated carbon filter
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
Stainless steel bottle with activated carbon filter
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
Stainless steel bottle with activated carbon filter cartridge
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
More filtered water bottles grades
How we score: every product runs through the same public 0–100 rubric based on materials, coatings, brand disclosure, lab findings, and recalls. See the full methodology → Spotted a mistake? Report an error.