MERV 8 | FPR 5-6 | MPR 600-700 - Very Good

20x24x4 MERV 8 ( FPR 5-6 ) Pleated 4" Inch HVAC Filters for AC and Furnace. 2 Pack. Exact Size: 19-3/8 x 23-3/8 x 3-3/4

20x24x4 MERV 8 ( FPR 5-6 ) Pleated 4" Inch HVAC Filters for AC and Furnace. 4 Pack. Exact Size: 19-3/8 x 23-3/8 x 3-3/4

20x24x4 MERV 8 ( FPR 5-6 ) Pleated 4" Inch HVAC Filters for AC and Furnace. Case of 6. Exact Size: 19-3/8 x 23-3/8 x 3-3/4

20x25x1 MERV 8 ( FPR 5-6 ) Pleated HVAC Filters for AC and Furnace. 6 Pack

20x25x1 MERV 8 ( FPR 5-6 ) Pleated HVAC Filters for AC and Furnace. Box of 4

20x25x1 MERV 8 ( FPR 5-6 ) Pleated HVAC Filters for AC and Furnace. Case of 12

20x25x2 MERV 8 ( FPR 5-6 ) Pleated 2" Inch HVAC Filters for AC and Furnace. 3 Pack

20x25x2 MERV 8 ( FPR 5-6 ) Pleated 2" Inch HVAC Filters for AC and Furnace. 6 Pack

20x25x2 MERV 8 ( FPR 5-6 ) Pleated 2" Inch HVAC Filters for AC and Furnace. Case of 12

20x25x4 MERV 8 ( FPR 5-6 ) Pleated 4" Inch HVAC Filters for AC and Furnace. 2 Pack. Exact Size: 19-1/2 x 24-1/2 x 3-3/4

20x25x4 MERV 8 ( FPR 5-6 ) Pleated 4" Inch HVAC Filters for AC and Furnace. 4 Pack. Exact Size: 19-1/2 x 24-1/2 x 3-3/4

20x25x4 MERV 8 ( FPR 5-6 ) Pleated 4" Inch HVAC Filters for AC and Furnace. Case of 6. Exact Size: 19-1/2 x 24-1/2 x 3-3/4