Description
Actual size is 20 x 25.63 x .75. Accumulair brand: 21x26x1 American Standard TFE260A9AH30 replacement whole house air filters, exactly constructed to replace the name brand American Standard TFE260A9AH30 air filters. Fully built so no assembly or combs required. MERV classified to ASHRAE 52.2 test standards assuring particle filtration equal to the OEM American Standard TFE260A9AH30 filter. Note: The sample filter image as displayed is not the actual dimensions and is shown for construction purposes. Name brands and American Standard TFE260A9AH30 part numbers are listed for filter replacement identification purposes only.