(1) Clear 10″ filter Housing For Whole House Water Filtration System with pressure release button This lid comes with pressure release button, pressure higher than 85 PSI need to be reduced Product Spec: Brand NEW !! BPA free and NSF Made entirely of plastic so it will never rust Rated at 85 psi max operating pressure Rated at 125 degrees max operating temperature Accepts standard 10 x 2.5″ diameter cartridges 10″ Housing Pre filter used for: Rust, sediment, dirt, sand, silt 3/4″ pipe thread inside/inner FREE SHIPPING