Is Fleck PFAS-free?
Across 8 graded products, Fleck averages A (95/100). 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 Fleck C or better, safest first
Fleck
5600sxt 48,000 Grain Water Softener Digital sxt metered Whole House System
Mineral resin tank, plastic/composite valve head, ion-exchange resin media
Lower concern; standard water softener with no known PFAS drivers, but verify replacement cartridge materials.
⚠Brand says nothing about PFAS
Fleck
5600SXT 48,000 Grain Digital Metered Water Softener
Resin tank, control head, ion-exchange resin media
Lower concern, standard ion-exchange softener with no known PFAS triggers, but no brand disclosure.
⚠Brand says nothing about PFAS
Fleck
Whole House Water Softener with Upflow Carbon Filtration System
Resin tank, carbon filter media, ion-exchange resin bed
Lower-concern water filtration, standard materials, but Fleck makes no PFAS disclosure.
⚠Brand says nothing about PFAS
Fleck
Premier Water Systems Fleck 5600 Whole House Water Filtration System
Resin tank, carbon/resin media, plastic/polymer housing
Lower PFAS concern for typical ion-exchange resin media, but no transparency on polymer tank coatings or seals.
⚠Brand says nothing about PFAS
Fleck
9500 Twin Alternating Water Softener
Resin tank, control valve (standard brass/polymer), ion-exchange resin
Lower concern; standard water softener without known PFAS-prone materials, but no brand transparency on composition.
⚠Brand says nothing about PFAS
Fleck
5600SXT 48k Water Softener
Resin tank, plastic control valve, carbon/resin media
Lower PFAS concern; standard ion-exchange water softener with no known PFAS-prone materials, but brand makes no disclosure.
⚠Brand says nothing about PFAS
Fleck
5600 Carbon Filter
Activated carbon media, standard polymer tank housing
Lower concern for carbon filter media itself, but brand makes no PFAS disclosure.
⚠Brand says nothing about PFAS
Fleck
WHole House Water Filter System 5600SXT Digital
Resin tank, carbon/resin filter media, plastic/composite components
Lower concern for typical use, but Fleck provides no PFAS disclosure; carbon filters themselves are not PFAS-prone.
⚠Brand says nothing about PFAS
Every grade uses the same public rubric. How grades work →