Do Culligan countertop filters have PFAS?
Culligan countertop filters average 95 out of 100 on PFAS Authority's PFAS and toxin screen across the 4 Culligan countertop filters graded as of October 2026, and all 4 reach its 70 point pass mark.
Culligan countertop filters average Excellent on our four-band scale. 4 of the 4 we graded are worth buying.
PFAS Authority is a scoring system, not a laboratory. We do not test products ourselves. Grades are model-based, built from published ingredients, materials, certifications, brand disclosures and third-party lab results where they exist. See the rubric.
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Top-graded picks in the categories readers replace first, every one scored on the same rubric.
- polypropylene filter housing, carbon/sediment cartridge
- We found no PFAS statement from the brand
- Bacterial growth in spent cartridges
3 hazards checked on this product, all on its full breakdown.
Aquasure
Premier Series 75 GPD Under Sink Reverse Osmosis Water Filtration System
- RO membrane, carbon filters, stainless steel housing
- We found no PFAS statement from the brand
- Bacterial and microbial growth in housing and filters
4 hazards checked on this product, all on its full breakdown.
Avocado
Vegan Mattress
- organic cotton, natural latex, coconut coir, recycled steel coils
- The brand calls it PFAS-free, which we have not verified
- Heavy metals
2 hazards checked on this product, all on its full breakdown.
What Culligan says and does about PFAS
We found no statement from Culligan about PFAS in its own products. Culligan says its ZeroWater and MaxClear filters are independently certified by IAPMO to reduce Total PFAS under NSF/ANSI 53. We found no PFAS lawsuit naming Culligan.
- Brand statementCulligan says its water filters are independently certified by IAPMO to reduce total PFAS. This is a claim about filtering PFAS from water. Culligan PFAS Water Filter page ↗
- Brand statementCulligan says its MaxClear gravity filter systems are certified to reduce Total PFAS by 99.6% under NSF/ANSI 53. Culligan PFAS Water Filter page ↗
Sources checked September 30, 2026. A brand statement is the company’s own claim, which we report but have not verified. Our grades are model-based estimates, not lab tests.
Culligan countertop filters worth buying Good or better, best-graded first
- Activated carbon filter cartridge, polypropylene housing
- Bacterial or biofilm growth in filter cartridge or housing. Gravity filters with standing water and porous…
3 hazards checked on this product, all on its full breakdown.
- Activated carbon, ion exchange resin, polypropylene housing
- Bacterial growth in filter media and housing. All gravity filters rely on user maintenance; if cartridges are…
3 hazards checked on this product, all on its full breakdown.
- Carbon and ion-exchange filter cartridges
- Ion-exchange resin degradation. If chlorinated water is used without prior dechlorination or temperatures…
3 hazards checked on this product, all on its full breakdown.
- Plastic housing, carbon/ion-exchange filter media
- Bacterial and mold growth in reservoir. Gravity filters create standing water conditions that can favor…
2 hazards checked on this product, all on its full breakdown.
Better countertop filters from other brands
Graded higher than the Culligan average of 95.
- borosilicate glass pitcher, replaceable activated carbon filter
- Bacterial growth in filter housing if unmaintained
4 hazards checked on this product, all on its full breakdown.
- Borosilicate glass pitcher, activated carbon filter cartridge
- Bacterial growth in filter cartridge
4 hazards checked on this product, all on its full breakdown.
- borosilicate glass, plastic pitcher housing, ion-exchange resin cartridge
- Ion-exchange resin cartridge composition opacity
3 hazards checked on this product, all on its full breakdown.
See every Culligan product we grade on the Culligan brand page, or the full countertop filters ranking.