MRS Reverse Osmosis System, MRS-600HE-II, (3) 7FS-BW reverse osmosis pre-treatment cartridge, (1) MR-600 mineral reduction cartridge, (2) MC² Precoat primary filtration cartridge, reduces chlorine, taste & odor, electronic inlet/outlet pressure gauge, wall mount, 600 gpd, 3/8" inlet, 3/8" outlet (EV997054)