Coastal Water Filters is proud to offer this item to you. This listing is for a CASE of 25 High Quality GAC Granular Activated Coconut Shell Carbon Filters. NOTE: This is high quality Coconut Shell Carbon – NOT coal based carbon. Coconut Shell is better and more expensive. Size: 2.5 x 20 Inches – fits most standard sized housings, many brands.. This is a Quality High Flow Cartridge. Replaces: Watts, Omnipure, KX, Pentek, Hydronix, CA Ware, Aquaboon, and others. The item “25 PACK 2.5 x 20 GAC Granular Activated Coconut Shell Carbon Water Filters” is in sale since Tuesday, April 11, 2017. This item is in the category “Home & Garden\Kitchen, Dining & Bar\Small Kitchen Appliances\Water Purification\Water Filters”. The seller is “coastalwaterfilters” and is located in Naples, Florida. This item can be shipped worldwide.