1" Inch Air Filters

18x18x1 MERV 10 ( FPR 6-7 ) AC and Furnace Pleated Air Filters. Case of 12

18x18x1 MERV 10 ( FPR 6-7 ) AC and Furnace Pleated Air Filters. Quantity 3

18x20x1 MERV 10 ( FPR 6-7 ) AC and Furnace Pleated Air Filters. Case of 12

18x20x1 MERV 10 ( FPR 6-7 ) AC and Furnace Pleated Air Filters. Quantity 3

18x22x1 MERV 10 ( FPR 5-6 ) AC and Furnace Pleated Air Filters. Quantity 6

18x24x1 MERV 10 ( FPR 6-7 ) AC and Furnace Pleated Air Filters. Case of 12

18x24x1 MERV 10 ( FPR 6-7 ) AC and Furnace Pleated Air Filters. Quantity 3

18x25x1 MERV 10 ( FPR 6-7 ) AC and Furnace Pleated Air Filters. Case of 12

18x25x1 MERV 10 ( FPR 6-7 ) AC and Furnace Pleated Air Filters. Quantity 3

19-7/8 x 21-1/2 x 1 MERV 10 ( FPR 6-7 ) AC and Furnace Pleated Air Filters. Case of 12

19-7/8 x 21-1/2 x 1 MERV 10 ( FPR 6-7 ) AC and Furnace Pleated Air Filters. Quantity 3

20x20x1 MERV 10 ( FPR 5-6 ) AC and Furnace Pleated Air Filters. Quantity 3

20x22x1 MERV 10 ( FPR 6-7 ) AC and Furnace Pleated Air Filters. Quantity 3

20x24x1 MERV 10 ( FPR 6-7 ) AC and Furnace Pleated Air Filters. Quantity 3

20x25x1 MERV 10 ( FPR 5-6 ) AC and Furnace Pleated Air Filters. Quantity 3

20x30x1 MERV 10 ( FPR 6-7 ) AC and Furnace Pleated Air Filters. Quantity 3

21-1/2 x 23-5/16 x 1 MERV 10 ( FPR 6-7 ) AC and Furnace Pleated Air Filters. Case of 12

21-1/2 x 23-5/16 x 1 MERV 10 ( FPR 6-7 ) AC and Furnace Pleated Air Filters. Quantity 3

22x22x1 MERV 10 ( FPR 6-7 ) AC and Furnace Pleated Air Filters. Case of 12

22x22x1 MERV 10 ( FPR 6-7 ) AC and Furnace Pleated Air Filters. Quantity 3