Photo 1 of Aerostar 20x30x1 MERV 11 Pleated Air Filter, AC Furnace Air Filter, 6 Pack (Actual Size: 19 3/4" x 29 3/4" x 3/4") 20x30x1 Filter

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Photo 1 of Aerostar 20x30x1 MERV 11 Pleated Air Filter, AC Furnace Air Filter, 6 Pack (Actual Size: 19 3/4" x 29 3/4" x 3/4") 20x30x1 FilterPhoto 2 of Aerostar 20x30x1 MERV 11 Pleated Air Filter, AC Furnace Air Filter, 6 Pack (Actual Size: 19 3/4" x 29 3/4" x 3/4") 20x30x1 FilterPhoto 3 of Aerostar 20x30x1 MERV 11 Pleated Air Filter, AC Furnace Air Filter, 6 Pack (Actual Size: 19 3/4" x 29 3/4" x 3/4") 20x30x1 Filter