The Whirlpool 8201809 refrigerator gasket is an essential component that keeps your refrigerator running smoothly and your food fresh. The refrigerator door's interior is lined with a rubber seal that forms a tight closure to keep cold air within.By doing this, warm air cannot enter the refrigerator and the device must work harder to maintain the right temperature. https://www.hnkparts.com/8201809-whirlpool-gasket-fip-ah