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