PUR · Refrigerator Filters
PUR Push-Button Refrigerator Water Filter
Lower-concern cartridge design, but PUR has not publicly disclosed PFAS policies or testing.
PUR's push-button refrigerator filters use activated carbon and polypropylene, both established, lower-PFAS-risk materials. However, PUR does not appear to publicly disclose PFAS testing, third-party verification, or ingredient transparency for these cartridges.
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Activated carbon filter media with polypropylene housing
Brand disclosure
Brand is silent on PFAS
Lab data
No public lab test
Why this grade
No PFAS disclosure
No public statement about PFAS in this product.
Safe base material
Made from a material with no inherent PFAS use (ceramic, mineral, or natural fiber).
The full breakdown
What it's made of and why it matters
PUR Push-Button filters use activated carbon as the primary filtration medium, which is inert and safe for drinking water contact. The housing is polypropylene (plastic #5), a food-grade polymer with low leaching potential at the cold temperatures of refrigerator use. Activated carbon itself does not off-gas or degrade in ways that pose consumer risk; the main failure mode is saturation (loss of filtration, not contamination).
The brand's record and disclosure
PUR has not publicly released detailed statements on PFAS testing, manufacturing standards, or third-party certifications specific to this product line. The brand does carry NSF certification for some models, which verifies reduction claims for contaminants like chlorine and sediment, but NSF does not routinely test refrigerator filters for PFAS leaching. PUR's parent company (Procter & Gamble) has faced no major recalls or disclosed contamination incidents involving this filter category.
How it compares in its category
Refrigerator filters are a low-risk category because water stays cold and contact time is brief. PUR is a market leader with wide availability and consistent polypropylene housing design across models. Competitors like Whirlpool and GE OEM filters use similar materials; third-party activated carbon filters (Aqua Blue, AquaFresh) offer no safety advantage and carry variable QC. PUR's push-button cartridge design is convenient but does not improve or worsen safety relative to twist-on alternatives.
If you buy it
Replace the cartridge every 6 months or after 100 gallons (whichever comes first) to prevent bacterial regrowth and ensure carbon effectiveness. Do not attempt to rinse or reuse cartridges; they are designed for single-use. Store unused cartridges in a cool, dry place away from direct sunlight. Check the filter housing for cracks or mineral buildup every 3 months; if present, flush the refrigerator's water lines before installing a new cartridge.
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.”
Bacterial growth in saturated or unmaintained filter
Activated carbon can harbor bacteria if left beyond replacement interval. Risk is low with routine replacement but increases sharply after 6+ months of use. Proper maintenance per label instructions eliminates this concern.
Polypropylene housing leaching (cold water contact)
Polypropylene does not leach at refrigeration temperatures. No reported incidents of contamination from PUR refrigerator filter housings. Risk is theoretical only and negligible under normal use.
Activated carbon dust or particle shedding
First-use flushing may release fine carbon particles into water. This is cosmetic rather than toxic but can discolor ice or water. Pre-rinsing the cartridge under cold running water before installation is standard practice and mitigates this.
Filter housing structural failure or seal degradation
Push-button connection points can wear or crack over 12-24 months of repeated use, potentially allowing unfiltered water bypass. This is a function failure, not a chemical hazard, but undermines the product's purpose. Inspect housing annually.
What we don’t know
This grade is a model-based estimate from public materials, coatings, and brand disclosure at 72% 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 Refrigerator Filters
Kenmore
9690 Refrigerator Water Filter 1-Pack, Nsf/wqa/iapmo Certified, Reduces 99% Chlorine & Odor, BPA-Free, Replacement for 46-9690 469690 Lt700p
activated carbon filter cartridge
Lower-concern water filter; carbon-based design unlikely to contain PFAS, but Kenmore makes no explicit PFAS disclosure.
✓Verified PFAS-free by a third party
Kenmore
Pureline Filter Compatible with Whirlpool Everydrop Filter 1
Activated carbon and fiberglass filter media
Lower concern for PFAS; standard cartridge filter with no known PFAS-bearing materials, but brand offers no transparency.
✓Bare metal or glass, no coating at all
Clearly Filtered
Water Pitcher Replacement Filter 3-Pack
Activated carbon and ion-exchange resin filter media
Lower-concern option; activated carbon filters are standard PFAS-reduction media, but verify pitcher durability and actual tested removal rates independently.
✓Brand claims PFAS-free (unverified)
More refrigerator filters 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.