Is Watts Water Technologies PFAS-free?
Across 14 graded products, Watts Water Technologies averages A (95/100). On disclosure, the brand says nothing publicly about PFAS. 14 of its products grade C or better. Grades are model-based estimates, not lab results.
Worth buying from Watts Water Technologies C or better, safest first
Watts Water Technologies
Watts Stage 3 Under Sink Reverse Osmosis Water Filter System EZH2O
RO membrane, carbon filters, polypropylene/polyethylene housing
Lower concern for typical use, but no PFAS transparency from Watts; RO membranes themselves are not PFAS-coated.
⚠Brand says nothing about PFAS
Watts Water Technologies
Watts Four Stage Reverse Osmosis System PWROKC4
carbon and RO membrane filters
Lower-concern RO system; standard materials, but brand offers no PFAS transparency.
⚠Brand says nothing about PFAS
Watts Water Technologies
Watts Premier RO Pure Plus Reverse Osmosis Water Filter System
Reverse osmosis membrane, carbon pre-filters, plastic housing
Lower concern for PFAS, standard RO filters use established safe materials, but no transparency from brand.
⚠Brand says nothing about PFAS
Watts Water Technologies
Watts Premier Under Sink Water Filtration System WP 5- 50
activated carbon filter media, brass/nickel fittings, plastic housing
Lower concern for typical use; common filter design with no known PFAS red flags, but no brand transparency.
⚠Brand says nothing about PFAS
Watts Water Technologies
Watts 4-Stage Reverse Osmosis System 7100103
RO membrane, carbon filters, polyethylene tubing
Lower-concern water filter; standard RO membranes and carbon media rarely require PFAS, but Watts discloses nothing.
⚠Brand says nothing about PFAS
Watts Water Technologies
Watts 4 Stage Kwik Change RO System GPD w
Reverse osmosis (RO) membrane, carbon block filters, polypropylene housing
Lower PFAS concern for RO cartridge itself; no red flags in public data, but Watts provides no transparency.
⚠Brand says nothing about PFAS
Watts Water Technologies
Watts 50 GPD RO System
RO membrane (polyamide), carbon filters, polypropylene/steel housing
Lower concern; RO systems inherently use standard filtration materials, but Watts provides no explicit PFAS transparency.
⚠Brand says nothing about PFAS
Watts Water Technologies
Watts BB-S101 Whole Home System
Carbon and sediment filter cartridges; housing components
Lower-concern whole-home filter, but Watts provides no public PFAS transparency, verify direct with manufacturer if concerned.
⚠Brand says nothing about PFAS
Watts Water Technologies
Watts Water Quality Flowmatic Flow-Pur Dual Exterior Water Filter Kit
activated carbon and polypropylene filter media
Lower-concern water filter, carbon and PP media lack known PFAS risk, but brand makes no PFAS disclosure.
⚠Brand says nothing about PFAS
Watts Water Technologies
Watts OneFlow Plus Salt-Free Scale Prevention Water Filtration System
Carbon filter media, tank housing (composite/polymer)
Lower PFAS concern for typical carbon filtration, but Watts makes no PFAS transparency statements.
⚠Brand says nothing about PFAS
Watts Water Technologies
WATTS Pure Water PWDWHCL1 Single-Stage Lead Filtration System
Activated carbon and lead-removal cartridge media
Lower-concern filter type, but brand offers no PFAS transparency, contact them directly.
⚠Brand says nothing about PFAS
Watts Water Technologies
Watts OFTWH-R Water Filtration and Treatment
Activated carbon and sediment filter media (standard RO/carbon filtration)
Lower PFAS concern for standard carbon/sediment filtration, but Watts does not disclose PFAS policy.
⚠Brand says nothing about PFAS
Watts Water Technologies
Watts In-Line Water Filter Pil-10
Polypropylene housing, sediment/carbon filter media
Lower concern, typical sediment filter with no known PFAS triggers, but brand offers no transparency.
⚠Brand says nothing about PFAS
Watts Water Technologies
Watts 7100449 20" Full Flow Carbon Block Filter
activated carbon block filter media
Lower concern for carbon block filters; no PFAS signal detected, but Watts makes no public disclosure.
⚠Brand says nothing about PFAS
Every grade uses the same public rubric. How grades work →