AC FURNACE AIR FILTERS MADE IN THE USA

20x20x5 actual sizes

19 5/8 x 19 7/8 x 4 3/8 (19.63 x 19.88 x 4.38)

19 11/16 x 20 11/16 x 4 15/16 (19.69 x 20.69 x 4.94)

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