WEBSep 29, 2024 — Approved by Whirlpool, Amana, KitchenAid and Maytag, the Everydrop water filter is close behind. Broadly compatible, it won’t void your warranty. The Culligan refrigerator water filter is popular for its large capacity and modest price. And Whirlpool refrigerator water filter reviews are among the most complimentary.