Actual Size: 20.1 x 25.7 x 5. Accumulair brand, 21x26x5 Trane TFM260B0AH0 replacement whole house air filters, exactly engineered to replace the original manufacturer Trane TFM260B0AH0 filters. Completely built with no forming or combs required. MERV graded to ASHRAE ratings establishing particle filtration equal to the original brand Trane TFM260B0AH0 air filters. Notice: Sample filter image displayed is not the actual dimensions and is included to show style purposes only. OEM names and Trane TFM260B0AH0 part numbers are included for air filter style identification purposes.
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