... rust, worms; 3.Easy to wash ,cheaper , replaced cartridge filter Product Description Specification:Filtered water capacity 1.3L Total ... of the cartridge: 200L (3 month) Material:PMMA or AS Plastic, Nano-KDF,Actived carbon,Tourmaline ceramic cartridge.With high- ... tech micro multi-level filtration; With high-tech Nano-metal clusters media( ...