The American Metal Filter Company 21190-000 is a compatible replacement for the following microwave filters:
The NuTone 21190-000 Comp. Microwave Range Filter, made by the American Metal Filter Company, is a compatible replacement for the NuTone 21190-000 aluminum range hood filter and can be used in ductless range hoods and over-the-counter microwaves. This compatible NuTone range hood filter measures 7 1/4 inches x 19 3/4 inches x 3/8 inches and is disposable. This microwave air filter is also constructed with an aluminum frame that encases an aluminum and polysorb carbon layer.