The Grease Filter is an OEM part for Whirlpool range hoods. This part traps grease particles from the air as it circulates through the range hood, preventing grease buildup on the blower and other internal components, thus maintaining the efficiency and longevity of the range hood. Causes of a bad grease filter can include clogging from excessive grease accumulation, physical damage from improper cleaning or handling, and general wear and tear over time. Symptoms of a bad grease filter include: Reduced air flow from the range hood Visible grease buildup on or around the filter Unusual odors persisting in the kitchen Filter appearing worn or damaged This OEM Whirlpool part is also compatible with Maytag, KitchenAid, Jenn-Air, Amana, Magic Chef, Admiral, Norge, Roper and some Kenmore models.W10169961A (AP4482237) replaces 1551344, 8190858, AH2372036, EA2372036, PS2372036, W10169961, W10833076, W10870878, W10875058, W11245983.