Non-Toxic Countertop Filters, ranked by PFAS grade
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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.
All 15 countertop filters PFAS Authority has graded reach its 70 point pass mark for PFAS and other toxins, as of October 2026. The highest graded is LARQ Pitcher at 100 out of 100.
The full ranking is below, best-graded first, with every score linking to the evidence behind it.
Are countertop filters safe?
15 of the 15 countertop filters we graded come back low-concern on our screen and 0 do not. Our grades are model-based assessments built from published materials, ingredient lists, certifications and brand disclosures, not laboratory tests, so they say what we can evidence rather than that anything is safe.
Best graded countertop filters here
- 1LARQ Pitcher 100 out of 100
- 2LARQ PureVis Pitcher 100 out of 100
- 3ZeroWater 40-Cup Glass Water Filter Dispenser 100 out of 100
Start here
The best non-toxic countertop filters, ranked by grade
Buyer’s guide
What to look for in countertop filters, and which brands grade best and worst
Why LARQ Pitcher wins, and what it beats
Every grade on this page is one sum. A category starts from a baseline, each disclosed material or coating adds risk points, and each thing the brand or a third party has published takes them away. Below is that sum for the winner, then for 1 product it beats, so you can see exactly where the 5 points between the top and the bottom of this countertop filters ranking come from.
The winner
Made of borosilicate glass pitcher, replaceable activated carbon filter.
- +15No PFAS disclosure. No public statement from the brand about PFAS in this product.
- -20Bare uncoated material. Recorded as a bare, uncoated material with no surface coating or treatment.
What the grade does not fix. It still carries one risk factor, No PFAS disclosure, and our graders recorded 4 other hazards on it. See the full breakdown.
What it beats, and why
What puts it behind. The winner earns -20 points for Bare uncoated material. We found nothing comparable published for this product.
Made of Activated carbon & ion-exchange resin filters; plastic housing.
- +15No PFAS disclosure
- -10Base material not linked to PFAS. The main material recorded for this product is not one associated with PFAS.
5risk points, a grade of 95
No product on this page was physically tested by us. Every number above comes from published materials, ingredient and coating disclosures, certifications and brand statements, scored on one public rubric. Formulations change without notice, so check the current product listing before buying.
Which countertop filters are PFAS-free? Good or Excellent, best-graded first
- 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.
- Activated carbon & ion-exchange resin filters; plastic housing
- Bacterial growth in filter cartridge and housing
4 hazards checked on this product, all on its full breakdown.
- BPA-free plastic pitcher with activated carbon filter cartridge
- Bacterial growth in filter media
3 hazards checked on this product, all on its full breakdown.
- Activated carbon filter cartridge, polypropylene housing
- Bacterial or biofilm growth in filter cartridge or housing
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
3 hazards checked on this product, all on its full breakdown.
- Carbon and ion-exchange filter cartridges
- Ion-exchange resin degradation
3 hazards checked on this product, all on its full breakdown.
- activated carbon filter, plastic dispenser housing
- Bacterial growth in filter media if not maintained
4 hazards checked on this product, all on its full breakdown.
- plastic reservoir, activated carbon filter media
- Bacterial growth in filter cartridge if unmaintained
2 hazards checked on this product, all on its full breakdown.
- activated carbon filter media, plastic reservoir housing
- Plastic reservoir leachables (oligomers, residual monomers)
4 hazards checked on this product, all on its full breakdown.
- Activated carbon and ion-exchange resin filter media; plastic pitcher housing
- Bacterial growth if filter not replaced on schedule
3 hazards checked on this product, all on its full breakdown.
- Plastic housing, carbon/ion-exchange filter media
- Bacterial and mold growth in reservoir
2 hazards checked on this product, all on its full breakdown.
- Plastic dispenser housing, activated carbon filter media
- BPA & bisphenols
4 hazards checked on this product, all on its full breakdown.
- Plastic housing, activated carbon + ion-exchange resin filter media
- Bacterial biofilm growth in reservoir
3 hazards checked on this product, all on its full breakdown.
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