20x25x4 MERV 10 ( FPR 6-7 ) AC and Furnace Pleated 4" Inch Air Filters. Quantity 4. Exact Size: 19-1/2 x 24-1/2 x 3-3/4"

24x24x4 MERV 10 ( FPR 6-7 ) AC and Furnace Pleated 4" Inch Air Filters. Case of 6. Exact Size: 23-1/2 x 23-1/2 x 3-3/4"

24x24x4 MERV 10 ( FPR 6-7 ) AC and Furnace Pleated 4" Inch Air Filters. Quantity 2. Exact Size: 23-1/2 x 23-1/2 x 3-3/4"

24x24x4 MERV 10 ( FPR 6-7 ) AC and Furnace Pleated 4" Inch Air Filters. Quantity 4. Exact Size: 23-1/2 x 23-1/2 x 3-3/4"

Glasfloss ZL 18x24x4 MERV 10 ( FPR 6-7 ) AC and Furnace Pleated 4" Inch Air Filters. Case of 6. Exact Size: 17-1/2 x 23-1/2 x 3-3/4"

Glasfloss ZL 18x24x4 MERV 10 ( FPR 6-7 ) AC and Furnace Pleated 4" Inch Air Filters. Quantity 2. Exact Size: 17-1/2 x 23-1/2 x 3-3/4"

Glasfloss ZL 18x24x4 MERV 10 ( FPR 6-7 ) AC and Furnace Pleated 4" Inch Air Filters. Quantity 4. Exact Size: 17-1/2 x 23-1/2 x 3-3/4"