Pur has long been recognized as a household name due to their water filtration technology that you can now experience straight from your refrigerator when using the Maytag Puriclean II UKF8001, UKF8001AXX Refrigerator Water Filter 4. How easy is it to replace your water filter? Turn and remove the old filter then place the new unit and turn until secure. A new filter can reduce particulates such as lead, mercury, cysts, and 13 other contaminants sometimes found in water, as certified by NSF Standard 43 and 52. Fluoride is not reduced with this filter. What is reduced, however, is unappealing chlorine taste and odor that can leave a bad taste in your mouth. The carbon filter media works to capture a lot of nasty stuff you don't want to put into your body while making your water taste better. All these benefits and it only takes a simple turn to replace your Maytag Puriclean II UKF8001, UKF8001AXX.