The QC10-CB1 Pentek Quick-Change water filtration system is a genuine OE part that is ideal for nearly any point-of-use application. Filter heads installs quickly and easily, courtesy of and#188; inch John Guest push-fit connections, and replacement cartridges go into place with a quarter turn. Comes complete with a built-in automatic shut-off valve. Perhaps most importantly, this system will ensure you drink the most affordably priced, cleanest tasting drinking water anywhere you choose to install! Order the system you need to get the cleanest tasting drinking water from virtually any tap by adding the QC10-CB1 Pentek Quick-Change water filtration system to your cart today.