Photo 1 of 16x20x4 MERV 11 Pleated Air Filter, AC Furnace Air Filter, (Actual Size: 15 1/2"x19 1/2"x3 3/4")

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Photo 1 of 16x20x4 MERV 11 Pleated Air Filter, AC Furnace Air Filter, (Actual Size: 15 1/2"x19 1/2"x3 3/4") Photo 2 of 16x20x4 MERV 11 Pleated Air Filter, AC Furnace Air Filter, (Actual Size: 15 1/2"x19 1/2"x3 3/4")