POWERFUL FILTRATION CAPACITY - 20-Stage hard water softener shower head replacement cartridge adopts multiple filtering materials such as KDF 55, alkaline ceramic balls, activated carbon, calcium sulfite and other filter balls, which can purify water without reducing your water pressure. Capacity of each cartridge is 12,000 gallons of water, which means it can provide clean and odorless water and can be used by a family for 1-2 years. (depends on your local water quality and use frequency!) COMPLETE COMPATIBILITY - 20 stage shower filter cartridges uses a standard 1/2Inch thread type. It fits most similar design shower filter shell (e.g.: fit for 10, 12, 15, 17, 18, multi-stage or 20 stage filter shell. ESSENTIALS FOR BODY CARE - 20-stage filter cartridge can effectively remove chlorine, heavy metals, fluoride, lime and scale in water, soften water consistently and make your skin and hair healthier. Order and replace new shower filter universal replacement cartridge from, help you to get rid of unpleasant odors & impurities and achieve more pleasant showering experience. Ultimate protection for you and your loved ones. EASY TO INSTALL - Installation takes only a few minutes and no tools or modification required. Just open the housing of the shower cartridge filter, remove the worn one and replace with new cartridge. 4 teflon tapes are included to avoid leakage. High output shower softener filter cartridge can give your water all-round purification and give you the cleanest shower water, balance pH, help nourish skin, hairs and nails.<br><br>Colour:White Material:Plastic<br><br>Package Contents: 6 * Shower Filter Cartridge 4 * Waterproof tape<br><br>Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.