①. 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 ②. 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 ③. 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 ④. 1/2" Thread Type, Wide Compatibility: Our shower filter adopts standard 1/2" 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) ⑤. Consistent Water Pressure: 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