RO purifier Auto Flush Valve LED Display RoHS & CE Certificate RO purifierFilter TypeFunctionsLife TimePP Sediment FilterTo Remove Sand, Dirt and Rust Particles in Water6 MonthsGAC-Granular Activated Carbon FilterTo Adsorb the Chlorine, Organic Matter, Odor, Smell Turbidity6 MonthsCTO-Block Activated Carbon FilterTo Adsorb the Chlorine, Organic Matter, Odor, Smell Turbidity, and Suspending ...