The Culligan HF-360B Whole House Water Filtration System is a high-capacity system designed to filter out sediment, rust, sand, dirt, and silt from your household water supply. With a capacity of 8,000 gallons, this polypropylene filter is suitable for filtering water for your entire home. The HF-360B model is compatible with the WH-A HF-360B system and is made of durable plastic material. Its blue and clear color makes it easily identifiable in your plumbing system. This filtration system helps ensure clean and safe water for your household needs.