... toghther with 4.0G plastic tank (RO,ro purifier,reverse osmosis) Features:Stage 1: 5micron PPF Cartridge which filter sand, mud, ... Virus, Corpuscule, other solute and chemical from tap water.Stage 5: Post coconut shell Activated Carbon Cartridge which adjust filtered water ... prevent from second-hand pollution. (RO,ro purifier,reverse osmosis) American type purifier with manual flush(RO,ro purifier ...