Photo 1 of Aerostar 16 3/8 x 21 1/2 x 1 MERV 11 Pleated Air Filter, AC Furnace Air Filter, 6 Pack (Actual Size: 16 3/8"x21 1/2"x3/4")

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Photo 1 of Aerostar 16 3/8 x 21 1/2 x 1 MERV 11 Pleated Air Filter, AC Furnace Air Filter, 6 Pack (Actual Size: 16 3/8"x21 1/2"x3/4") Photo 2 of Aerostar 16 3/8 x 21 1/2 x 1 MERV 11 Pleated Air Filter, AC Furnace Air Filter, 6 Pack (Actual Size: 16 3/8"x21 1/2"x3/4")