MRS Reverse Osmosis System, MRS-350BL, Triple, (1) 7TO-BW granular activated carbon cartridge, reduces chlorine, taste & odor, (1) MR-350 mineral reduction cartridge, (1) BW-4400 cartridge, inlet pressure gauge, outlet pressure gauge, wall mount, 350 gpd, 3/8" inlet, 3/8" outlet (EV997020)