... water filter with TDS display 1.Auto-flush 2.TDS display 3.Capacity:50/75/100GPD 4.CE approval 5 ... Stage Home Reverse Osmosis Water Filter with TDS Display1.Five stage ... : AC220/110V, 50/60Hz;7.Undersink household RO water purifier;8.RO membrane brand:VONTRON, FS-TFC, CSM ... , FCS or FILMTEC;9.RO water system with CE, EMC, RoHS, SASO, approval;10 ...