The Whirlpool W11040868 has become a vital part of your refrigerator, specifically functioning as an air duct. This plastic channel is crucial to guarantee unchanged and optimal temperature distribution throughout the appliance. The air duct provides chilled air from the evaporator coil in the freezer compartment to the fresh food area. This circulation ensures that the refrigerator is adequately cooled throughout. This air duct has been created solely for Whirlpool refrigerators and could not be used with other brands. A properly functioning air duct is crucial for optimum food preservation in your refrigerator. It prevents spoilage and keeps your food fresher for a longer period through keeping an ongoing supply of cool air.