3/4", Whole House Sediment Water Filter System, Clear Sump, Reinforced Inlet/Stainless Steel Outlet, Bypass Valve with Shut Off Valve, Pressure Relief Button, Mounting Bracket Included, Filter Timer removable included, integrated bracket design, wrench included, installs easily on 3/4" main water line, includes P5 filter, uses 3/4" compression x 3/4" male iron tube TV fitting #467-621, not included, for replacement cartridges use TV #52 9-286, 583-393, #583-401 or #614-800, not included, certified to NSF 42.