Description: Four stage in line reverse osmosis RO filtration with LED display, with pump, solenoid valve. Automatic valve H/L pressure valve, flow limit and leaking protection device. Cartridge: PP/CTO/RO membrane and T33C post carbon Water tank option: KCTAS-2W(3.2G white), KCTAS-1W(4G plastic), KATAS-1(3.2G inner rubber balloon can be replaced), KCTAS-2(2G), KCTAS-2B(3.2G blue) Capacity: 50/75GPD