1" Inch Air Filters

21-1/2 x 23-5/16 x 1 MERV 8 ( FPR 5-6 ) AC and Furnace Pleated Air Filters. Quantity 6

21-1/2 x 23-5/16 x 1 MERV 8 ( FPR 5-6 ) AC and Furnace Pleated Air Filters. Quantity 3

21-1/2 x 23-5/16 x 1 MERV 8 ( FPR 5-6 ) AC and Furnace Pleated Air Filters. Case of 12

Mann+Hummel 20x23x1 MERV 8 Pleated HVAC AC Furnace Air Filters. 6 Pack. (Exact Size: 19.5 x 22.5 x 0.75 Inches)

20x23x1 MERV 8 ( FPR 5-6 ) AC and Furnace Pleated Air Filters. Quantity 3

20x23x1 MERV 8 ( FPR 5-6 ) AC and Furnace Pleated Air Filters. Case of 12

Mann+Hummel 19-7/8 x 21-1/2 x 1 MERV 8 Pleated HVAC AC Furnace Air Filters. 6 Pack. (Exact Size: 19.88 x 21.5 x 0.75 Inches)

19-7/8 x 21-1/2 x 1 MERV 8 ( FPR 5-6 ) AC and Furnace Pleated Air Filters. Quantity 3

19-7/8 x 21-1/2 x 1 MERV 8 ( FPR 5-6 ) AC and Furnace Pleated Air Filters. Case of 12

18x30x1 MERV 8 Pleated AC Furnace Air Filters. Case of 12

18x30x1 MERV 8 Pleated AC Furnace Air Filters. 6 Pack

18x30x1 MERV 8 Pleated AC Furnace Air Filters. 3 Pack

16-3/8 x 21-1/2 x 1 MERV 8 ( FPR 5-6 ) AC and Furnace Pleated Air Filters. Quantity 3

16-3/8 x 21-1/2 x 1 MERV 8 ( FPR 5-6 ) AC and Furnace Pleated Air Filters. Case of 12

15x25x1 MERV 8 Pleated AC Furnace Air Filters. Case of 12

15x25x1 MERV 8 Pleated AC Furnace Air Filters. 6 Pack

15x25x1 MERV 8 Pleated AC Furnace Air Filters. 3 Pack

14x28x1 MERV 8 ( FPR 5-6 ) AC and Furnace Pleated Air Filters. Quantity 6

14x28x1 MERV 8 ( FPR 5-6 ) AC and Furnace Pleated Air Filters. Quantity 3

14x28x1 MERV 8 ( FPR 5-6 ) AC and Furnace Pleated Air Filters. Case of 12