Description
Actual dimensions are 20 x 25.63 x .75. Accumulair brand: 21x26x1 American Standard TFE260A1AH20 replacement whole house air filters, exactly built to replace the name brand American Standard TFE260A1AH20 filters. Completely box-formed so no forming or combs required. MERV graded to ASHRAE specs ensuring particulate capture equal to the original brand American Standard TFE260A1AH20 air filters. Photo: The sample filter pic displayed is not to scale and is displayed for construction purposes only. Name brands and American Standard TFE260A1AH20 part numbers are included for air filter substitution identification.