The American Metal Filter Company RHF0404 is a compatible replacement for the following range hood filters:
The American Metal Filter RHF0404 Grease Range Filter is a compatible replacement for the Whirlpool 788221 aluminum filter. This aluminum grease filter is used in ducted and ductless range hoods and over the counter microwave ovens to remove grease from the air. This microwave oven filter is washable and made with an aluminum frame surrounding layers of expanded aluminum and aluminum foil. This range hood filter replacement measures 4 1/2" x 29 3/4" x 5/16".