Product Description The CW5-BBS Premium Whole House Filter reduces extra fine sediment to provide visibly clearer water that helps protect your appliances and keeps your faucets flowing freely. With a Level 4 filtration, this heavy-duty whole-house filter cartridge is made of quality polypropylene to reduce sediment, rust, scale, dirt, coarse sand, sand, fine sand, extra fine sand, and silt in your home’s water supply. Able to last up to 4 months, or 16,000 gallons, with average use, this filter will provide you and your family with all the clean and fresh water you need for cooking, drinking, and more. From the Manufacturer 5 Micron Level 4 Heavy Duty Whole House Polypropylene Sediment Filter Cartridge Reduces sediment, rust, scale, dirt, coarse sand, sand, fine sand, extra fine sand and silt. 16,000 gallon capacity 4 month average usage.