ANTI-SCALE WATER FILTER SYSTEM FOR WATER HEATERS - SLOW PHOS

1 STANDARD 10" HOUSING WITH PRESSURE RELEASE WITH 3/4" FEMALE NPT 1 PS-1 PREMIER SOFT CARTRIDGE WITH 2 LBS OF CRYSTALLINE POLYPHOSPHATE (Slow Phos)You may also like Premier TRIPLE WHOLE HOUSE WATER FILTERS SYSTEM 3/4" FPNT SEDIMENT KDF55 GAC.