The Whirlpool 4378411RB is an in-line water filter that helps to improve the quality of your refrigerator's ice and water. It connects directly to your refrigerator's water supply, usually beneath the refrigerator or under the sink, and removes impurities such as chlorine and lead, which can impair taste and odor. This makes it possible for you to receive clear ice cubes and drinking ... https://www.hnkparts.com/4378411rb-whirlpool-filter