(1) three stage water filter (2) three stage water purifier with PP/CTO/UDF filter (3) size:10" (4)Certification: CE, RoHS Plastic water filter Plastic water purifier FXSN-3Filter ... +CTO Water Filter with white Housing 2.water purifier/water dispenser/water filterStage 1: 5micron PPF Cartridge which fliter sand,mud,rust,sediment,etc in water.Stage ...