Product Description About us Sprite is a 46 year old manufacturer of Water Instruments, Electronic Water Instrumentation, Water Filters and filtration products. In 1987 Sprite introduced the Shower-Mite, a non-carbon shower filter. Since then, Sprite has produced more than 10 different shower filter models. Today, Sprite is the premier authority in shower filtration technology, manufacturing, marketing and sales. With over 23 patents and proprietary filtration technologies, Sprite continues to set the pace and lead the way. From the Manufacturer Sprite Filter Cartridge Replacement Model Hhc for Royal Hand Held, Shower Falls and Hose Filter. This Replacement Cartridge Is To Be Used with Original Royal Hand Held, Shower Falls Or Hose Filter Water Units. You Should Change The Cartridge Every 3 Months Depending On Water Conditions. Directions Are Available On Inside On Box.