... Filter with white Housing 2.water purifier/water dispenser/water filterStage 1: 5micron PPF Cartridge which fliter sand,mud,rust,sediment ... sediment, chlorine etc in water.Stage 3:Block Activated Carbon Cartridge which complete removes bad smell in water and filter ... pollution. Installation1. Please open the housings , take the filter cartridge out ,and remove the wrapping package and sticker , install ...