The Whirlpool 4174973 Filter is the correct compatible replacement for the following:
The Whirlpool 4174973 Compatible Microwave Grease Filter, made by American Metal Filter Company, is used in ducted and ductless range hoods, along with over the counter microwave ovens. This compatible grease elimination filter is constructed with an aluminum frame that surrounds layers of expanded aluminum and aluminum foil.
Whirlpool 4174973 Compatible Grease Filter Specifications:
The Whirlpool 4174973 Compatible Microwave Grease Filter is a standard range hood filter that removes grease from kitchen air and is washable for extending the life of this microwave filter.