Photo 1 of Aerostar 20x25x4 MERV 8 Pleated Air Filter, AC Furnace Air Filter, 6 Pack (Actual Size: 19 1/2"x24 1/2"x3 3/4"), White 20x25x4 Filter

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Photo 1 of Aerostar 20x25x4 MERV 8 Pleated Air Filter, AC Furnace Air Filter, 6 Pack (Actual Size: 19 1/2"x24 1/2"x3 3/4"), White 20x25x4 FilterPhoto 2 of Aerostar 20x25x4 MERV 8 Pleated Air Filter, AC Furnace Air Filter, 6 Pack (Actual Size: 19 1/2"x24 1/2"x3 3/4"), White 20x25x4 FilterPhoto 3 of Aerostar 20x25x4 MERV 8 Pleated Air Filter, AC Furnace Air Filter, 6 Pack (Actual Size: 19 1/2"x24 1/2"x3 3/4"), White 20x25x4 FilterPhoto 4 of Aerostar 20x25x4 MERV 8 Pleated Air Filter, AC Furnace Air Filter, 6 Pack (Actual Size: 19 1/2"x24 1/2"x3 3/4"), White 20x25x4 Filter