The American Metal RHF1220 Aluminum Filter is the correct replacement for the following filter dimensions:
The American Metal Filter RHF1220 Aluminum Filter, made by American Metal Filter Company, is a washable grease elimination microwave filter constructed with an aluminum frame, surrounding layers of expanded aluminum and aluminum foil. This replacement range hood filter is used in ducted and non-ducted range hoods, as well as over the counter microwave ovens.
American Metal RHF1220 Aluminum Filter Specifications:
The American Metal RHF1220 Microwave Filter reduces grease, dust and smoke, while re-circulating filtered air back into the kitchen.