Whirlpool 4396508P Side-by-Side Refrigerator Water Filter (2-Pack) for $28.86 shipped. The discounted price is shown at final checkout. Here is a screenshot for your reference. The water filter is compatible with Whirlpool and KitchenAid side-by-side refrigerators and reduces chlorine taste and odor, particulates, lead, and mercury. Most places have it for about $54 or more.