Is Pentair PFAS-free?
Across 18 graded products, Pentair averages A (96/100). On disclosure, the brand says nothing publicly about PFAS. 18 of its products grade C or better. Grades are model-based estimates, not lab results.
Worth buying from Pentair C or better, safest first
Pentair
FreshPoint GRO-350B 3-Stage Reverse Osmosis System - Standard System
RO membrane, carbon pre-filters, stainless steel housing
Lower-concern pick for RO systems; standard materials, but Pentair discloses nothing on PFAS.
✓Bare metal or glass, no coating at all
Pentair
GRO-2550 Reverse Osmosis Drinking Water System
Carbon and RO membrane filters, plastic housing, stainless steel fittings
Lower-concern choice; RO systems don't inherently contain PFAS, but brand transparency is absent.
✓Bare metal or glass, no coating at all
Pentair
FreshPoint 3-Stage Reverse Osmosis Water Filtration System
Carbon filters, polyamide/polypropylene membranes, stainless steel housing
Lower concern, standard RO filtration uses non-PFAS materials, but Pentair makes no public PFAS commitment.
✓Bare metal or glass, no coating at all
Pentair
3/4" Inlet 5 gpm Whole House Water Filter System U25-S-S18
Activated carbon and sediment filter media; polypropylene/polyester housing components
Lower-concern for PFAS; standard water filter media typically not PFAS-containing, but Pentair provides no transparency.
⚠Brand says nothing about PFAS
Pentair
OMNIFilter Whole House Filter System
Activated carbon filter media, polypropylene housing
Lower-concern filter type, but Pentair has not publicly disclosed PFAS stance, verify independently if critical.
⚠Brand says nothing about PFAS
Pentair
Everpure FXI-22 FX Water Filtration System
activated carbon, ion-exchange resin cartridge
Lower concern; standard carbon/resin filter design without PFAS-prone coatings, but no transparency from brand.
⚠Brand says nothing about PFAS
Pentair
FreshPoint 5-Stage Under Sink Monitored Reverse Osmosis Water Filtration System
Carbon and RO membrane filtration media, polyamide/plastic housing
Lower concern for PFAS, but brand offers no transparency or third-party verification.
⚠Brand says nothing about PFAS
Pentair
FreshPoint 4-Stage Reverse Osmosis Under Sink Water Filtration System
Reverse osmosis membrane, carbon filters, polypropylene housing
Lower PFAS concern, but brand transparency on contaminant removal is limited.
⚠Brand says nothing about PFAS
Pentair
FreshPoint 5-Stage GRO-575B Under Sink Reverse Osmosis System
Carbon block & membrane filters, plastic housing
Lower concern for typical use, but silent on PFAS, verify filter sourcing if concerned.
⚠Brand says nothing about PFAS
Pentair
Quick Connect T600RO 3-Stage Tankless Reverse Osmosis System
RO membrane, carbon filter media, plastic housing
Lower PFAS concern for this RO system, but Pentair provides no public transparency on membrane or housing composition.
⚠Brand says nothing about PFAS
Pentair
Rocean Water Filter System
Activated carbon and mechanical filter media
Water filter system with lower PFAS concern.
⚠Brand says nothing about PFAS
Pentair
AquaTru AT100 Countertop Reverse Osmosis Water Purifier with pitcher
RO membrane, carbon filters, food-grade plastics, stainless steel
RO filters inherently lower PFAS concern.
⚠Brand says nothing about PFAS
Pentair
Premium Countertop Hot & Cold Water Purifier Rental Service purchase
Carbon and ion exchange resin filters
No known PFAS risk, but Pentair discloses nothing about it.
⚠Brand says nothing about PFAS
Pentair
Rocean Counter-top Water Filtration System With Reservoir &
Activated carbon and ion exchange resin filter media, plastic reservoir
Lower concern; water filters typically use carbon, not PFAS.
⚠Brand says nothing about PFAS
Pentair
Rorra Countertop System
Carbon/activated carbon filter media with housing
Water filter with standard carbon media, lower PFAS concern for filtration.
⚠Brand says nothing about PFAS
Pentair
Countertop Ice Water Purifier
Carbon and RO filter media, stainless steel housing
Lower PFAS concern; filters don't require Teflon-family coating.
⚠Brand says nothing about PFAS
Pentair
Rocean Reservoir Replacement Filter Cartridge
Pleated filter media, likely polyester or cellulose blend
Lower concern. Standard filter media rarely contains PFAS, but confirm material spec.
⚠Brand says nothing about PFAS
Pentair
QTPTCR10-1 Filtration System
Activated carbon and sediment filter media
Lower concern. Carbon/sediment filters unlikely to contain PFAS.
⚠Brand says nothing about PFAS
Every grade uses the same public rubric. How grades work →