Poly Salt Free Water Softener Replacement Cartridge

This pre-filled cartridge comes filled and assembled with 6 oz of polyphosphate crystals and will fit the Gen-4 and Gen-5 PSC1 Poly Salt-Free Water Softener. It can also be re-filled by snapping the unvented end cap off. To remove the un-vented end, use a small screwdriver. Please see the instructional video below.