Photo 1 of Aerostar 20x25x4 MERV 13 Pleated Air Filter, AC Furnace Air Filter, 2 Pack (Actual Size: 19 1/2" x 24 1/2" x 3 3/4") 20x25x4 Slim 2

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Photo 1 of Aerostar 20x25x4 MERV 13 Pleated Air Filter, AC Furnace Air Filter, 2 Pack (Actual Size: 19 1/2" x 24 1/2" x 3 3/4") 20x25x4 Slim 2Photo 2 of Aerostar 20x25x4 MERV 13 Pleated Air Filter, AC Furnace Air Filter, 2 Pack (Actual Size: 19 1/2" x 24 1/2" x 3 3/4") 20x25x4 Slim 2Photo 3 of Aerostar 20x25x4 MERV 13 Pleated Air Filter, AC Furnace Air Filter, 2 Pack (Actual Size: 19 1/2" x 24 1/2" x 3 3/4") 20x25x4 Slim 2Photo 4 of Aerostar 20x25x4 MERV 13 Pleated Air Filter, AC Furnace Air Filter, 2 Pack (Actual Size: 19 1/2" x 24 1/2" x 3 3/4") 20x25x4 Slim 2