iSpring HC14+ FP15X2 Whole House Transparent Water Filter Housing 10" x FNPT Inlet/Outlet with 2 PP Filters (5 Micron), 1/2", Clear Size: 1/2" Reinforced Inlet/Outlet Connectors Fits 10"x2.5" Standard Filter Cartridges Helps Protect Residential Appliances and Home Pluming from Sediment, Rust, Scale, Dirt, Coarse Sand, Sand, Silt, Bad Taste, Odor, Aesthetic and Chlorine Taste (depending on filter cartridge) Tested by Independent Third-Party to Meet NSF/ANSI Standard Lifetime support from iSpring in Alpharetta, GA at (678) 261-7611