20x25x4 Actual Sizes

Not sure of your actual size? Check the side of your current air filter.

19 1/2 x 24 1/2 x 3 5/8 (19.5 x 24.5 x 3.63)

19 7/8 x 24 7/8 x 4 3/8 (19.88 x 24.88 x 4.38)