Replacement Filter for Whirlpool W10120839A and More Sold as a 1 Pack ..This replacement aluminum microwave filter is compatible with Whirlpool W10120839A. Also compatible with: Kenmore: 66588532900,66588533900,66588539900,66588542900,66588543900,66588549900,66588552900,66588553900,66588559900.