Culligan S1-A Sediment Whole House Water Filter Cartridge, (2-Pack) PVC Tee Built-in safety switch to help

Built-in safety switch to help prevent the water heater from overheating

D-20 cartridge which reduces chlorine

Heat-treated steel

MADE OF PVC TYPE I MATERIAL

Specially Formulated Glass Lining Prevents Corrosion and Extends the Life of the Tank

Culligan S1-A Sediment Whole House Water Filter Cartridge, (2-Pack) PVC Tee Built-in safety switch to helpReplacement sediment filter cartridge removes dirt, sand, silt, rust, and scale particles. 20 micron (nominal) filtration. Pleated cellulose construction for increased surface areas and strength. Filter life up to 3 months or 12,000 gallon. Use with filter model No. HF 150, HF 160, or HF 360. 2 per pack.