Photo 1 of 20 x 20 x 1 AC and Furnace Air Filter by Aerostar - MERV 13, Box of 6

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Photo 1 of 20 x 20 x 1 AC and Furnace Air Filter by Aerostar - MERV 13, Box of 6Photo 2 of 20 x 20 x 1 AC and Furnace Air Filter by Aerostar - MERV 13, Box of 6Photo 3 of 20 x 20 x 1 AC and Furnace Air Filter by Aerostar - MERV 13, Box of 6