The KitchenAid 4396702 Refrigerator Water Filter is the same as the Whirlpool 4396701

Twist-to-Release Water Filter located in the grille

Is used on KitchenAid, Whirlpool and Kenmore Top and Bottom-Freezer refrigerators

The 4396701 | 4396702 Filter has a diameter of about 1 and 3|8 inches and is 9 1|2 inches long.