Do Aquasure under-sink ro systems have PFAS?
Aquasure under-sink ro systems average 87 out of 100 on PFAS Authority's PFAS and toxin screen across the 11 Aquasure under-sink ro systems graded as of October 2026, below the 95 out of 100 median for the 6 other under-sink ro systems brands graded alongside it.
Aquasure under-sink ro systems average Excellent on our four-band scale. 11 of the 11 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.
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.
- polyurethane foam
- We found no PFAS statement from the brand
- Volatile Organic Compound (VOC) Off-Gassing
4 hazards checked on this product, all on its full breakdown.
Aquasure under-sink ro systems worth buying Good or better, best-graded first
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. Under-sink RO systems accumulate biofilm if filters…
4 hazards checked on this product, all on its full breakdown.
- carbon/sediment filters, RO membrane, plastic housing
- We found no PFAS statement from the brand
- Bacterial growth in filter housing. If filters are not replaced on schedule or if the system sits unused for…
4 hazards checked on this product, all on its full breakdown.
Aquasure
Premier Series 100 GPD Under Sink Reverse Osmosis System with Pressure Pump (AS-PR100E)
- Plastic housing, RO membrane, carbon filter media
- We found no PFAS statement from the brand
- Bacterial biofilm in storage tank, RO systems include a pressurized tank where treated water sits; if filters…
3 hazards checked on this product, all on its full breakdown.
- Plastic housing, carbon/RO filter media
- We found no PFAS statement from the brand
- Bacterial growth in storage tank and filter cartridges. Under-sink RO systems create stagnant water…
3 hazards checked on this product, all on its full breakdown.
- Carbon and resin filters, plastic housing
- We found no PFAS statement from the brand
- Bacterial growth in filter cartridges and storage tank. All RO systems with post-storage tanks carry biofilm…
5 hazards checked on this product, all on its full breakdown.
- RO membrane, carbon filters, plastic housing
- We found no PFAS statement from the brand
- Bacterial or mold growth in carbon cartridges and housing. If the system sits unused for extended periods or…
2 hazards checked on this product, all on its full breakdown.
- Reverse osmosis membrane, plastic housing, carbon/activated carbon filter media
- We found no PFAS statement from the brand
- Plastic leaching from housing and tubing. Polypropylene and polyethylene components in the housing and…
4 hazards checked on this product, all on its full breakdown.
- RO/carbon filter cartridges, plastic housing
- We found no PFAS statement from the brand
- Bacterial growth in filter housing and cartridges. If cartridges are not replaced on the recommended schedule…
4 hazards checked on this product, all on its full breakdown.
- RO membrane, carbon filters, plastic housing
- We found no PFAS statement from the brand
- Plastic housing leachables (unidentified polymer type). Aquasure has not disclosed the specific resin or…
4 hazards checked on this product, all on its full breakdown.
Aquasure
Premier Series AS-PR75AK Reverse Osmosis Water Filtration System with Chrome Faucet
- Reverse osmosis membrane and carbon filters
- We found no PFAS statement from the brand
- Bacterial and biofilm growth in storage tank and membrane housing, RO systems store treated water in a tank…
2 hazards checked on this product, all on its full breakdown.
- RO membrane, activated carbon filter, chrome faucet
- We found no PFAS statement from the brand
- PFAS. Thin-film composite RO membranes and some activated carbon sources have been reported to contain or…
3 hazards checked on this product, all on its full breakdown.
Better under-sink ro systems from other brands
Graded higher than the Aquasure average of 87.
- Multi-stage filter cartridges (activated carbon, ion exchange resins)
- The brand calls it PFAS-free, which we have not verified
- Bacterial growth in filter cartridges
3 hazards checked on this product, all on its full breakdown.
- Carbon/RO membrane filters, plastic housing
- We found no PFAS statement from the brand
- Bacterial growth in stagnant filter cartridges
2 hazards checked on this product, all on its full breakdown.
APEC Water Systems
Ultimate RO-PERM Reverse Osmosis Drinking Water Filter System
- activated carbon, RO membrane, polypropylene housing
- We found no PFAS statement from the brand
- Bacterial growth in filter housings and membrane
3 hazards checked on this product, all on its full breakdown.
See every Aquasure product we grade on the Aquasure brand page, or the full under-sink ro systems ranking.