Genuine Amana Part # M1-1056 16x25x5 (Actual size: 15 3/8" x 25 1/2" x 5 1/4") MERV 11 Case of 3 Furnace Filters generally has a Nominal Size and an Actual Size printed on them. Actual sizes vary widely depending on Manufacturer / Brand for the same Nominal Size. If not sure, please measure the inside of filter cabinet to verify this actual size will fit. Manufactured In Canada Case of 3