Model : NW-RO50-A1M RO system Reverse Osmosis system Using famous brand reverse osmosis membrane, high pressure pump, and convenient and economical replacement filter to make pure and tasty drinking water. Function of stage cartridge Stage Description Component Main Function 1 5um PP Sediment Filter PP-10 Remove the particles, sand , dust and colloid etc. 2 Granular Carbon Filter UDF-10 Remove the chlorine, odor, small outgrowth etc. 3 Block Carbon Filter CTO-10 Remove the odor ,chlorine, , suspension 4 RO membrane FULLCOME or FCS or FILMTEC Remove the heavy metal ,harmful soluble solid ,bacteria, virus, other dissolved matter and chemical drug in the running water 5 Post inline Carbon Filter T-33 Adjust the taste for .pure water 6 mineral ball ALMB increase beneficial mineral substance Water filter RO system NW-RO50-A1M Description: 6stage RO sytem with mineral ball Capacity: 50/75/100GPD Flush Type: Manual Flush Housing: 10" double "O" ring housing Fittings Type: JACO (can opt Push-in Quick Fittings) Diaphragm Booster Pump with Adaptor: 110V/220V, 50/60Hz Faucet: D -01 (As seen in the picture to choose ) RO Membrane: Fullcome Membrane or FCS Membrane or FILMTEC Membrane Pressure Tank: 3.2G steel Tank Unit packing Dimension: 41*35*58cm 1PC/CARTON.