PUR · Refrigerator Filters
Puritas Refrigerator Water Filter PUR-6051
Lower-concern filter design; PUR makes no PFAS claims, but no red flags in standard carbon/resin filtration.
The PUR-6051 uses activated carbon and ion-exchange resin, materials not inherently associated with PFAS. PUR does not publicly disclose PFAS testing or make claims either way.
Shop PUR on Amazon →Material
activated carbon, ion-exchange resin
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 PUR-6051 uses activated carbon and ion-exchange resin, the industry standard for refrigerator filters. Activated carbon adsorbs chlorine, odors, and some organic compounds; ion-exchange resin removes dissolved minerals and improves taste. Neither material is known to leach harmful substances into water under normal use. The filter housing is typically plastic (polypropylene or similar food-contact grade), which does not typically release chemicals at room temperature or the slow flow rates in refrigerator systems.
The brand's record and disclosure
PUR (Jarden, now owned by Newell Brands) has no major product recalls or safety controversies tied to this filter line in public records. The brand does not make explicit PFAS reduction claims for this model, and makes no publicized stance on PFAS in filter marketing. PUR holds NSF/WQA or similar certifications for some filter products, though specific certification status for the 6051 should be verified on the packaging. No independent testing or regulatory warnings specific to this model are on record.
How it compares in its category
Refrigerator filters are a low-risk category because water sits stationary in the filter cartridge and does not exceed room temperature, minimizing leaching risk compared to cooking with cookware. The PUR-6051 is a middle-market replacement filter with a typical 6-month lifespan and standard carbon-resin media. Competitors (Whirlpool, GE, Brita) use similar technology; no material safety advantage to switching brands unless certification status or replacement intervals are priorities.
If you buy it
Replace the filter every 6 months or per the manufacturer's instructions, or sooner if water taste or flow drops noticeably; stale or saturated filters can harbor bacteria. Do not attempt to clean or reuse the cartridge. Store unopened filters in a cool, dry place away from direct sunlight. Flush the filter by running 2-3 gallons of water through it before first use to remove any carbon dust.
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 filter media
Activated carbon is a porous medium that can support microbial growth if the filter is not replaced regularly or if water flow stagnates. Proper 6-month replacement and flushing before use minimize this risk.
Carbon dust or resin particulates in water
New or damaged filter cartridges may release fine carbon particles or resin fragments into drinking water. Flushing the new filter before use removes most loose material.
Housing leachates from plastic components
The filter housing is food-contact-grade plastic, typically polypropylene or ABS, and does not leach under the room-temperature conditions of refrigerator use. No reports of problems with the PUR-6051 housing.
Calcium or mineral buildup blocking filter
Hard water can cause scaling inside the filter, reducing flow and potentially creating dead zones where bacteria could grow. This is a maintenance issue, not a toxicological hazard, but affects filter performance and safety.
Cross-contamination if filter seal is damaged
A cracked or poorly seated cartridge may allow unfiltered water to bypass the media. Inspect the filter before installation and ensure it is properly seated in the refrigerator's filter housing.
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.