The American Metal Filter Company 21881-000 is a compatible replacement for the following aluminum air filter:
The NuTone 21881-000 Comp. Grease Filter Replacement, constructed by the American Metal Filter Company, is a compatible replacement for the NuTone 21881-000 microwave filter. This microwave oven filter is used in range hood vents, both ducted and ductless, and over-the-counter microwaves to remove grease from the air. This compatible NuTone range hood filter is constructed out of durable aluminum and is washable for multiple uses. This aluminum range hood filter measures 9 1/16 inches x 11 11/16 inches x 3/8 inches.