Pentek 150233, 20" Big Blue Filter Housing with 1" Ports and Pressure Release HFPP

Large filter housing for high-flow and heavy sediment applications Reinforced polypropylene sump for strength and chemical resistance Use with a 20" x 4-1/2" filter cartridge (sold separately) Pressure relief button for easier cartridge replacement Initial pressure drop of 1 psi at a flow rate of 15 gpm