Actual dimensions are 17.2 x 26.2 x 5. Accumulair brand, 17.5x27x5 Trane TFM17DA0FR00 compatible whole house filters, exactly built to be an alternative to the name brand Trane TFM17DA0FR00 air filters. Fully constructed - no forming or combs needed. MERV classified to ASHRAE 52.2 test specifications ensuring performance equal to the original brand Trane TFM17DA0FR00 air filter. Notice: Example air filter pic as shown is not true to size and is there to show design only. Name brands and Trane TFM17DA0FR00 P/N are used for filter substitution identification.
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