This HDX refrigerator water filter, which fits as opposed to UKF8001 incorporates, a compressed carbon block which provides tremendous capacity to take away and/or reduce impurities and sediment that can be present in your drinking water. The carbon block has millions of active sites on its surface and within the structure which can absorb impurities like a sponge, and can absorb and hold other types of impurities on its surface like a magnet. Additionally, this filter can catalytically breakdown other impurities similar to the way a catalytic converter works in your automobile. These processes make certain that you are getting the cleanest and best tasting water imaginable. This economical filter provides you with fresh and clean tasting water and ice cubes. Economical alternative to expensive substitutes Delivers clean, clear water that looks and tastes great Will remove or reduce Chlorine, Tastes and Odors that can be present in your drinking water Designed to provide up to six months of life or 300 gal. Does not remove minerals that may be a good idea to health Fits in Place of Maytag UKF8001 UKF8001AXX 67003523 67003526 67003527 67003528 12589203 12589206 12589208 12589210 13040216 13040216N UKF9001 Also FITS Whirlpool 4396395 UKF8001 UKF8001AXX-750 67003523-750 UKF8001AXX-200 UKF9001AXX-100