Omnipure K2520-JJ Carbon Block Water Filter Improves the taste and quality of water by reducing chlorine and other impurities for up to 1500 gallons of use Patented collet system allows for quick and easy installation in just a few seconds Quick-Connect fittings are molded directly into the filter to reduce the chances of a leaky installation Manufactured without the use of glues or binders for a smooth, reliable seal