Is Express Water PFAS-free?
Across 8 graded products, Express Water averages A (96/100). On disclosure, the brand says nothing publicly about PFAS. 8 of its products grade C or better. Grades are model-based estimates, not lab results.
Worth buying from Express Water C or better, safest first
Express Water
Reverse Osmosis Water Filtration System
Reverse osmosis membrane (polyamide), carbon filters, stainless steel/plastic housing
Lower-concern RO system; no known PFAS red flags, but silent on disclosure.
✓Bare metal or glass, no coating at all
Express Water
Ultraviolet Reverse Osmosis Water Filtration System
RO membrane, carbon filters, stainless steel/plastic housing
Lower concern: RO systems use standard filter media unlikely to contain PFAS, but Express Water makes no public PFAS disclosure.
✓Bare metal or glass, no coating at all
Express Water
RO10D Reverse Osmosis Water Filtration System
RO membrane, carbon filters, plastic housings (polypropylene/ABS)
Lower concern; RO systems typically avoid PFAS, but brand offers no transparency.
⚠Brand says nothing about PFAS
Express Water
5 Stage Under Sink Reverse Osmosis Filtration System
RO membrane, carbon filter cartridges, plastic housing (PP/ABS)
Lower concern; standard RO filters lack known PFAS triggers, but Express Water doesn't disclose material sourcing.
⚠Brand says nothing about PFAS
Express Water
5 Stage Reverse Osmosis Water Filtration System
Reverse osmosis membranes, carbon filters, plastic/poly housing
Lower concern for typical RO system; no PFAS disclosure but filter-based design avoids known risk materials.
⚠Brand says nothing about PFAS
Express Water
RO10DBN 5-Stage Under Sink Reverse Osmosis RO Drinking Water Filter System
RO membrane, activated carbon, polypropylene housings
Lower-concern choice; RO systems use standard filtration media unlikely to contain PFAS, though brand makes no explicit commitment.
⚠Brand says nothing about PFAS
Express Water
Reverse Osmosis 5 Stage Water Filtration System
RO membrane, activated carbon, polypropylene housings
Lower-concern for PFAS, but manufacturer transparency is absent.
⚠Brand says nothing about PFAS
Express Water
ROALK5D Reverse Osmosis - New Home | Color: Blue
RO membrane, carbon filters, plastic housing
Lower-concern RO filter; PFAS risk primarily in membrane/cartridges, replace per schedule.
⚠Brand says nothing about PFAS
Every grade uses the same public rubric. How grades work →