Simply enjoy better tasting drinking water with the PUR® Single Stage Quick-Connect Water Filtration System. This under sink water filter system features an NSF certified 5 micron carbon block filter that offers cleaner drinking water through an included secondary faucet by reducing chlorine and unwanted particulates such as sand, rust and dirt. This water filtration system is a convenient, affordable and environmentally sound alternative to bottled water. To keep this low maintenance water filtration system running in tip-top shape, simply replace the water filters every six months. The quick-connect design means you can replace the filter with a simple twist. Compact bracket-mounted design includes all necessary components and hardware for easy installation.