The Whirlpool W10407215 Refrigerator Door Gasket is designed to create an airtight barrier between the door and the main compartment to prevent warm air from entering and cold air from escaping and maintain consistency in temperature, reducing energy consumption and frost buildup. It has a tight seal to maintain better refrigeration efficiency for food freshness and fit with the effic... https://www.hnkparts.com/w10407215-whirlpool-gasket-door