AC FURNACE AIR FILTERS MADE IN THE USA

20x25x4 actual sizes

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)

19 3/4 x 24 3/4 x 4 3/8 (19.75 x 24.75 x 4.38)

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