The High-Output Shower Filter (HO) contains a reversible filter cartridge that will filterer the shower water for one year. This high performance shower filter combines easy operation and maintenance with the ultimate in structural integrity and over-all reliability. The HO is the strongest replaceable shower filter available on the market today. High Capacity Filter Reversible Filter Cartridge (Model HOC) Ultra-High Strength Housing Shower head Optional Cartridge Life Rating: 1 Year Specifications: Removes 99% of chlorine Includes 20 oz. (500% more) KDF-55 and Chlorgon than other shower filters KDF-55 and Chlorgon combined remove chlorine over a wide range of temperatures Enhances the pH balance of your shower water to reduce scale formation for a cleaner shower stall and a fresh, healthy shower Water temperature adjustments are fast because the cartridge is smaller than most two stage filters You can backwash the cartridge (reversing the direction of water flow every three to six months) to extend the shower filter's effective life Saves water without forcing you to shower in a drizzle Standard sized fittings fit any shower head One year warranty on everything except the filter cartridge Certified to NSF/ANSI Standard 177 for shower filtration systems, with 75% chlorine removal after 10,000 gallons of usage (NSF 177 only requires 50% reduction at the rated filter life) Sprite Shower Filter Uses KDF-55 Chlorgon KDF-55 and Chlorgon combine for a high performance shower filter with an extremely long cartridge life. Carbon based shower filter disadvantages: Carbon based cartridges must be flushed into a bucket before first usage to avoid staining some shower stalls Carbon is less effective in hot water Cannot reverse the cartridge for back-flushing to extend cartridge life Carbon filter cartridges do not last as long as KDF-55 Easy Installation Installing a Sprite shower water filter is a snap: Remove existing shower head Screw on the Sprite shower filter and shower head Enjoy a fresh, clean shower