The Whirlpool Refrigerator Water Filter 4396510 is the New, improved filter for Whirlpool side-by-side refrigerators with easy access through the front base grille. It replaces part number 4392922 and Whirlpool has impoved on 4392922 with this filter by removing additional impurities from your water and eliminating the need to run 1-2 gallons of water through the filter when installed. Whirlpool Refrigerator Water Filter 4396510 Reduces bad taste, odor, lime scale buildup, cysts, chlorine, dirt and rust in your water and ice. The 4396510 is the best water filter available for Whirlpool side by side refrigerators and removes much more than the 4396508. One added benefit is that the 4396510 does not remove flouride from your water. The 4396510 Whirlpool Refrigerator Water Filter is the replacement filter for you if you have any of the following part numbers Whirlpool 4392922, Whirlpool 4396510, Whirlpool 4396508, Kitchenaid 4396164, Kitchenaid 4396548 as well as Kenmore 46-9902, 9902, 469902, 46-9908, 9908, 469908, 46-9010, 9010, 469010 and 2203980.