Refrigerator Filters, ranked by PFAS grade
15 products graded from Bad to Excellent, best-graded first. 15 grade Good or better and are worth buying.
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The best non-toxic refrigerator filters, ranked by grade
Worth buying Good or Excellent, best-graded first
Whirlpool
Waterdrop Refrigerator Water Filter for Whirlpool 3-Pack
Activated carbon and polypropylene (typical refrigerator filter media)
Bacterial growth in filter media (biofilm accumulation)
Limited concern
Carbon dust or particle release into water
Limited concern
Filter housing seal or valve failure
Limited concern
Lower PFAS concern for typical carbon-based filters; no red flags, but no transparency.
⚠Brand says nothing about PFAS
Aqua Fresh
Replacement Refrigerator Water Filter WF425
activated carbon, polypropylene housing
Bacterial biofilm growth (unmaintained filter)
Limited concern
Activated carbon dust or particles in water
Limited concern
Contaminant pass-through due to certification gaps
Limited concern
Lower-concern replacement filter; no PFAS red flags, but brand offers no transparency.
⚠Brand says nothing about PFAS
Aqua Fresh
Wf537 Refrigerator Water Filter Replacement
activated carbon and/or ion-exchange resin filtration media
Bacterial growth in filter media or housing
Limited concern
Carbon dust or resin particle release into water
Limited concern
Degradation and bypass of contaminants over time
Limited concern
Lower-concern filter type, but zero transparency from brand on PFAS.
⚠Brand says nothing about PFAS
EveryDrop
Whirlpool everydrop Refrigerator Water Filter 2 edr2rxd1
Activated carbon and fibrous filter media
Bacterial growth on saturated filter media
Limited concern
Activated carbon dust or fines
Limited concern
Inadequate contaminant reduction if misused
Limited concern
Lower concern; standard carbon filter with no known PFAS-prone materials, but brand offers no transparency.
⚠Brand says nothing about PFAS
EveryDrop
Whirlpool Everydrop Refrigerator Water Filter EDRARXD1
Activated carbon filter cartridge with cellulose/resin media
Bacterial biofilm growth in unmaintained filters
Limited concern
Carbon dust and particulate bypass at installation
Limited concern
Cross-contamination from incompatible appliances
Limited concern
Clogging and reduced contaminant contact time
Moderate concern
Lower concern for typical use; standard carbon filter without known PFAS-prone materials, but no brand transparency.
⚠Brand says nothing about PFAS
LG
Select LG Refrigerator Water Filter
Activated carbon and/or ion-exchange resin filter media
Bacterial growth in filter housing
Limited concern
Carbon fine particles in water
Moderate concern
Cartridge bypass due to improper installation
Limited concern
Lower-concern water filter; no known PFAS risk, but LG offers no public transparency on materials.
⚠Brand says nothing about PFAS
LG
Refrigerator Water Filter LT700P
Activated carbon, polypropylene filter media
Bacterial growth in carbon media
Limited concern
Carbon dust or fines in dispensed water
Limited concern
Lower-concern water filter; standard carbon media unlikely to contain PFAS, but LG offers no transparency.
⚠Brand says nothing about PFAS
LG
Replacement Refrigerator Water Filter-LT700P
Activated carbon filter media, plastic housing
Bacterial growth in filter housing
Limited concern
Filter bypass or incomplete sealing
Limited concern
Lower concern for a water filter.
⚠Brand says nothing about PFAS
LG
200 Gallon Refrigerator Water Filter
activated carbon/coconut shell carbon filter media
Bacterial growth in filter media
Limited concern
Loose carbon particulate in water
Limited concern
Taste or odor rebound
Limited concern
Lower PFAS concern; activated-carbon filters aren't a typical PFAS source, but LG doesn't publicly disclose PFAS testing.
⚠Brand says nothing about PFAS
LG
LT600P3 Replacement Refrigerator Water Filter 3-Pack
activated carbon, polypropylene housing
Bacterial growth in unmaintained filter housing
Limited concern
Activated carbon dust or fines ingestion
Limited concern
Lower-concern choice; standard carbon filter design without known PFAS triggers, but LG offers no transparency.
⚠Brand says nothing about PFAS
Waterdrop
LT1000PC Refrigerator Water Filter ADQ747935
Carbon and ion-exchange resin filter media
Bacterial colonization if filter not replaced on schedule
Limited concern
Incomplete contaminant removal if filter is counterfeit or damaged
Limited concern
Carbon dust ingestion if filter is not primed
Limited concern
Lower concern for PFAS, but LG makes no public commitment; verify independently if precaution matters to you.
⚠Brand says nothing about PFAS
Aqua Fresh
Aquafresh Aqua Fresh Refrigerator Water Filter New In Box
activated carbon and ion-exchange resin (standard RO/carbon filter media)
Bacterial growth in saturated filter media
Limited concern
Carbon dust inhalation during installation
Limited concern
Inadequate contaminant removal if filter is counterfeit or defective
Limited concern
Lower concern; standard carbon filter without red flags, but brand makes no PFAS claims.
⚠Brand says nothing about PFAS
EveryDrop
Refrigerator Filter EDR4RXD1
activated carbon and ion-exchange resin filtration media
Bacterial biofilm growth in filter cartridge
Limited concern
Carbon dust and resin particle shedding
Moderate concern
Ion-exchange resin depletion without visible warning
Limited concern
Activated carbon and ion-exchange resin filtration media with no PFAS disclosure on record.
⚠Brand says nothing about PFAS
EveryDrop
Refrigerator Water Filter EDR1RXD1
carbon and/or ion-exchange resin filter media
Bacterial growth and biofilm in unmaintained filter
Limited concern
Activated carbon dust or particle shedding
Limited concern
Pressure or seal failure causing bypass leakage
Limited concern
Lower concern for typical use; Whirlpool silent on PFAS, but filter design carries minimal inherent risk.
⚠Brand says nothing about PFAS
Waterdrop
LT1000P Refrigerator Water Filter
activated carbon, ion-exchange resin cartridge
Bacterial growth in filter housing
Limited concern
Carbon dust or resin particles in water
Limited concern
Lead
High concern
PFAS
Moderate concern
Lower PFAS concern, but brand silence on PFAS leaves questions unanswered.
⚠Brand says nothing about PFAS
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