By using granulated activate charcoal, Hydro Life water filters control taste and odor. They use a patented KDF media to prevent bacteria growth and to help reduce limescale. These together will keep your equipment cleaner longer extending the time needed between cleanings. Everyone wants clean tasting water and but not want to pay the price of expensive water filter systems with even more expensive replacement filters. Hydro Life Water filter provide great tasting water at a fraction of the price with lower priced replacement filters. Mix these together and you have satisfied customers and saved money in the process.