20-Stage Filtration: Ceramic Balls, Activated Carbon, Calcium Sulfite and other filtering materials provide the purification of water quality 20-stage shower filter can effectively reduce chlorine, fluoride, heavy metals, rust, sand and other sediment .Replaceable Cartridge: Total includes 2 filter cartridges (One is installed) One filter cartridge can be used by a family of four for about 6-8 months .Essential Products for Body Care: Shower head filter removes unpleasant odors and dirt, reduces dry and itchy skin Especially suitable for people with sensitive skin, children and pets .1 or 2" Thread Type, Wide Compatibility: Our shower filter adopts standard 1 or 2" thread type for most homes and can be placed on rain shower heads, fix shower heads and hand showers (But still confirm the size for installation before purchasing) Consistent Water Pressure and : High output shower filter does not reduce existing water pressure for enhanced rinsing Installation takes only a few minutes and requires no tools We also provide teflon tape and 2 rubber washers to prevent leakage Installation is simple and only takes a few minutes Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.