... TDS displayd water-quality R.O system 50G Standard Five Stage reverse osmosis system RO SYSTEM WATER PURIFIER 50G TDS displayd water-quality R.O system50G ... tank: 3G/4G plastic or 3.2 steel 6.filters: PP,UDF.CTO,RO membrane,inline carbon7.daily output: ... dust, particles2nd Granular carbon: remove organic matter,chlorine, smell and turbid matter3rd Block carbon: remove organic matter,chlorine, smell4th ...