The Microwave Filter is an OEM part for Whirlpool microwaves. This filter is designed to capture grease, smoke, and odors generated during cooking, helping to maintain clean air quality and preventing grease buildup inside the microwave and kitchen. The filter measures about 7-1/2 inches wide by 5-1/2 inches deep. Causes of a bad microwave filter can include clogging from grease and food particles, wear and tear from regular use, or damage from cleaning. A clogged or damaged filter can reduce the efficiency of the microwave's ventilation system and potentially lead to overheating. Symptoms of a bad microwave filter include: Reduced ventilation efficiency Excessive smoke or odors during cooking Grease buildup inside the microwave or on nearby surfaces Visible dirt, damage, or clogging on the filter This OEM part is also compatible with Maytag, KitchenAid, Jenn-Air, Amana, Magic Chef, Admiral, Norge, Roper, and Kenmore models.W10181505 (AP4364531) replaces 1471498, AH2341773, EA2341773, PS2341773, W10181505RP, W10832233.