From the manufacturer this PUR Fast-Fill Refrigerator Water Filter in Whirlpool and KitchenAid using Fast-Fill side-by-side with filter access in the grid base. Simply press the release button to remove and replace the refrigerator water filter. While retaining beneficial fluoride, this NSF Certified Refrigerator Water Filter reduces chlorine taste and odor, particulates (class I), lead and mercury. Replacement of this refrigerator water filter every 6 months ensures clean drinking water. Fast Fill water filter while reducing chlorine taste, odor, particulate matter, and more, KitchenAid & Whirlpool Side by Side. Read customer review 
Tags: 4396841, Button, Fast, Fill, Push, Refrigerator, Side, Water, Whirlpool