HD950 heavy-duty water filter is ideal for high-flow/heavy-sediment applications involving private wells, large homes, farms, swimming pools, and spas. Has 4 times the capacity of standard 10" filters. Reduces dirt, sand, silt, rust, and scale particles. 1" inlet/outlet for installation on 1" cold water lines. Filter housing wrench included. Use replacement cartridge model No. R50-BBS (SKU 432601), CP5-BBS (SKU 449784), or RFC-BBS (SKU 449776) (not included). Cartridge dimensions: 14.25" H x 7" W x 7" D. 5 year limited warranty.