Furnace/Air Conditioner Filters

12 x 18 x 1" Air Filter

12 x 20 x 1" (11.5 X 19.5 X 0.75) Air Filter

12 x 20 x 1" Air Filter

12 x 22 x 1" Air Filter

12 x 24 x 1" (11.5 X 23.5 X 0.75) Air Filter

12 x 24 x 1" Air Filter

12 x 25 x 1" Air Filter

12 x 26 x 1" Air Filter

12 x 26.5 x 1" Air Filter

12 x 27 x 1" Air Filter

12 x 30 x 1" Air Filter

12 x 30.5 x 1" Air Filter