Description
Actual Size: 20 x 23.13 x .75. Brand: Accumulair. 21x23.5x1 American Standard TFE235A9AH30 compatible whole house air filters, exactly constructed to substitute for the original brand American Standard TFE235A9AH30 filters. Fully assembled - no forming or combs needed. MERV graded to ASHRAE specs assuring particulate filtration to the level of the original brand American Standard TFE235A9AH30 air filters. Note: Example air filter pic as shown is not to scale and is displayed for construction only. Brand names and American Standard TFE235A9AH30 identifier are used for filter substitution purposes.