Whole House Heavy Duty 1" Inlet/Outlet Filtration System From Culligan,, C. The WH-HD200-C Heavy Duty clear whole house system with clear sump allows you to see your filter in action. Included with the unit is a mounting bracket, housing wrench, filter life indicator, built in shut-off, bypass, and pressure relief valve. Whole house water filtration system with 1" stainless steel reinforced inlet/outlet connectors Perfect for residential homes, helps protect appliances and pluming from sediment and scale Features bypass shut off valve, integrated bracket design and battery operated filter change timer Reduces: sediment, rust, scale, dirt, coarse sand, sand, fine sand, silt, bad taste, odor, aesthetic chlorine taste and odor (depending on filter cartridge) The WH-HD200-C housing has been tested and certified by WQA against NSF/ANSI 372 for low lead compliance, CSA B483.1 and NSF/ANSI 42 for material safety and structural integrity requirements only Includes: WR-HD housing wrench, mounting bracket, filter life monitor and filter monitor battery Compatible with Culligan filter cartridges: R50-BBSA, CW25-BBS, CP5-BBS, CW5-BBS, RFC-BBSA