... stage water filter (2) three stage water purifier with PP/CTO/UDF filter (3) size:10" (4)Certification: CE, RoHS Plastic ... : 3/4" With or without copper threa1.um PPF+ 85C+CTO Water Filter with white Housing 2.water purifier/water dispenser ... dry UF membranes . Water Filter for House,three stage,pp/cto/udf filter