Photo 1 of 117-1/2 x 21 x 1 Electrostatic Washable Permanent A/C Furnace Air Filter - Reusable - Silver Frame

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Photo 1 of 117-1/2 x 21 x 1 Electrostatic Washable Permanent A/C Furnace Air Filter - Reusable - Silver Frame Photo 2 of 117-1/2 x 21 x 1 Electrostatic Washable Permanent A/C Furnace Air Filter - Reusable - Silver Frame Photo 3 of 117-1/2 x 21 x 1 Electrostatic Washable Permanent A/C Furnace Air Filter - Reusable - Silver Frame