... tap water Flush: automatic flushing by computer HD-RO50G-4 RO SystemAccept OEM Connection: directly connect to the municipal tap ... plastic or 3.2 steel Filters: PP, UDF, CTO, RO membrane, inline carbon Filmtec/Vontron membrane Daily output: 190L Working ... matter 3rd block carbon: removes organic matter, chlorine, smell 4th RO membrane: removes bacteria, heavy metal, chemical matter, dissolve matter, ...