IDL filter housing for one cartridge type 1000 series - Products
Water Filter housing for 4.5" x 20" cartridge/filter Big Blue with Pressure release 1" inlet
Parker - 1 Inch Pipe, FNPT End Connections, 20 Inch Long Cartridge, 23-1/8 Inch Long, Cartridge Filter Housing with Pressure Relief - 37039203 - MSC Industrial Supply