Actual dimensions are 20.1 x 23.2 x 5. Brand: Accumulair. 21x23.5x5 Trane BAYFTAH23M2 replacement whole house air filters, specifically built to be an alternative to the original brand Trane BAYFTAH23M2 filters. Completely assembled so no forming or combs required. MERV classified to ASHRAE 52.2 test ratings assuring filtration to the level of the name brand Trane BAYFTAH23M2 air filters. Note: The example filter pic as displayed is not the actual dimensions and is there to show construction only. OEM names and Trane BAYFTAH23M2 part numbers are listed for air filter replacement identification only.
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