The Hydronix CB-45-1010 is a cost effective carbon block filter, manufactured with coconut shell activated carbon. If you are looking to reduce chlorine in your water, as well as sediment, VOCs (volatile organic compounds) and carbon fines, this is the filter for you! You can even use this product on a variety of applications such as food service, residential, industrial, and commercial. Keep in mind this product is designed for point-of-use and reverse osmosis applications. This CB series carbon filter has the capability of replacing GAC (Granular Activated Carbon) and PAC (Powdered Activated Carbon) filters. Typically you see these types of filters in areas with high chlorine contamination. The Hydronix CB-45-1010 is tested and certified by NSF International, ANSI/NSF Standard 42 for material requirements. Order this great carbon filter today!