Enjoy better tasting water. This system features Healthy Living Filtration Level to reduce microbial cysts chlorine taste and odor sand soil silt rust and sediment. A new system allows you to use your existing faucet without having to install a separate faucet. The system is NSF Standard 42 and 53 certified and uses Sanitary Quick Change replacement cartridges that requires a simple quarter turn for installation with no spilled water or mess to clean up.