Coralife Pure-Flo II - 50 GPD 3 Canister RO System · 50 GPD TFC membrane · 1 micron filter cartridge · Carbon block filter cartridge · Deionization cartridge · Ideal Pure R.O. Water-. Outlet (Blue Tube). Item No. 76000, 76001. INSTRUCTIONS. Cap. EM. TO. Membrane Housing. CORÁLIFE*. Aut. Carbon Block. Micron Filter. WATER PURIFICATION SYSTEM. CORALIFER. IMPORTANT SAFETY INSTRUCTIONS. READ AND FOLLOW ALL SAFETY INSTRUCTIONS. WARNING. CAUTION. 1. Never connect Pure-Flo In addition, you will find hundreds of individual replacement parts for reverse osmosis systems, whole house filter systems and water filters. Browse our web