3/4", whole house sediment water filter system, clear sump, stainless steel reinforced inlet/outlet, bypass valve with shut off valve, pressure relief button, mounting bracket included, removable filter timer 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 pipe fitting TV #467-621, not included, for replacement cartridges use TV #'s 529-286, 583-393, #583-401 or #614-800, not included, certified to nsf 42.