The Whirlpool Refrigerator W11199204 Diffuser is an essential component that controls the airflow within your refrigerator. It regulates the flow of cold air from the freezer chamber to the refrigerator compartment. It works by controlling the opening and closing of vents, which allows for exact temperature regulation. This ensures that different parts of the refrigerator get the righ... https://www.hnkparts.com/w11199204-diffuser-wpl