Description
Actual Size: 20 x 23.13 x .75. Brand: Accumulair. 21x23.5x1 American Standard TFE235A9AH10 substitute whole house air filters, exactly engineered to replace name brand American Standard TFE235A9AH10 filters. Fully built so no forming or combs required. MERV graded to ASHRAE 52.2 test standards establishing filtration to the level of the name brand American Standard TFE235A9AH10 air filters. Note: Sample filter image as displayed is not to scale and is displayed for construction purposes. Brand names and American Standard TFE235A9AH10 part numbers are listed for filter style identification use.