PUR · Refrigerator Filters
Frigidaire Purepour Water and Ice Refrigerator Filter PWF-1
Lower-concern filter type; carbon & resin don't inherently require PFAS, but lack of brand disclosure leaves uncertainty.
The PWF-1 uses standard activated carbon and ion-exchange media, which are established water-filter materials not typically formulated with PFAS. However, Frigidaire/PUR provide no public statement about PFAS-free sourcing or third-party verification.
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activated carbon, ion-exchange resin media; plastic 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
The PWF-1 uses activated carbon and ion-exchange resin as its filtration media, both well-established materials that do not inherently require PFAS additives to function. Activated carbon traps chlorine, odors, and some organic compounds through adsorption; ion-exchange resin softens water by binding minerals. The plastic housing (polypropylene or similar) is exposed only to cold filtered water inside a refrigerator, which dramatically reduces any risk of polymer leaching compared to hot-water applications. No published data links this filter design to harmful chemical migration.
The brand's record and disclosure
Frigidaire (Electrolux subsidiary) does not publicly disclose PFAS content or presence in this filter model, nor has it published detailed material safety statements specific to the PWF-1. The brand has no known recalls tied to chemical contamination from this filter line. Industry standard third-party testing (NSF, WQA) is not prominently advertised for this model, though some Frigidaire filters carry such certifications. Lack of transparency on PFAS is common in the refrigerator-filter market and reflects industry-wide silence rather than a unique failure.
How it compares in its category
Refrigerator filters occupy a lower-risk category than pitcher or faucet filters because exposure time and water temperature are minimized. The PWF-1's activated-carbon-plus-resin approach is standard and not associated with chemical concerns the way some specialty ion-exchange resins (rarely) can be. Comparable models from Whirlpool, Samsung, and generic aftermarket filters use nearly identical media and housing; none offer superior PFAS transparency. This filter is neither ahead nor behind its peers in disclosed safety profile.
If you buy it
Replace every 6 months or per the manual to prevent bacterial biofilm buildup inside the cartridge (a physical contamination risk, not chemical). Store the filter in a cool, dry place before installation; do not expose it to direct sunlight or heat. Do not attempt to clean or reuse the cartridge; the media is not regenerable. Install according to Frigidaire instructions to ensure proper seating and no bypass of unfiltered 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 housing leaching
Cold water and refrigerator temperatures minimize polymer leaching risk from the plastic housing. No reports of off-tastes, odors, or contamination tied to PWF-1 plastic components.
Bacterial or mold growth if unmaintained
Any carbon-based filter can develop biofilm if not replaced on schedule. This is a physical contamination issue, not chemical, but regular replacement (every 6 months) mitigates it effectively.
Pressure relief or seal failure leaching from housing adhesives
No documented cases of adhesive or sealant leaching from PWF-1 cartridges. Manufacturing standards for refrigerator filters are generally robust for cold-water use.
Ion-exchange resin degradation releasing particles
Quality ion-exchange resins are stable over the intended 6-month lifespan. Fragmentation or particle release is not a reported issue with this filter model or type.
Incomplete disclosure on PFAS presence in media or housing
Frigidaire does not publicly state whether PFAS-free manufacturing or formulations are used. Industry-wide silence on PFAS in refrigerator filters makes it impossible to confirm absence, though the media types used do not inherently require PFAS.
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 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.