Bunn O Matic EQHP-54 Easy Clear High Performance Water Quality Filtration System, 54000 Gallon -- 1 each.Consistent great-tasting brewed coffee and tea from water with reduced sediment and chlorine taste and odor. Incorporates multi-zone pharmaceutical grade pleated nylon pre-?lter. Pre-?lter offers exceptional sediment holding capacity and particle reduction to 0.2 microns. Equipment protection from reduced sediment particles that can clog the sprayhead. Reduced scale formation by the controlled release of proprietary scale inhibitors with "L" model. System includes a head assembly, integral mounting bracket, and single cartridge ?lter. Patented Quick Connect valve-in-head design simultaneously shuts off and vents water with .25 turn, allowing for simple and trouble-free cartridge change-outs. Optional pressure gauge allows monitoring of downstream water pressure. Filter cartridges incorporate carbon block media and require no pre-activiation. NSF Standard 42 and/or FDA CFR-21 compliance provides assurance of safety. Certi?ed by NSF to Standard 53 for cyst reduction. .375" FNPT horizontal inlet and outlet ports allow direct or easily adaptable connections to existing plumbing lines. System maximum operating pressure is 100 psi (862 kPa) and operating temperature 100 degree F (38 degree C).