Actual size is 20.1 x 23.2 x 5. Accumulair brand 21x23.5x5 Trane TFM235B0AH0 substitute whole house air filters, exactly engineered to be an alternative to the original brand Trane TFM235B0AH0 air filters. Fully box-formed - no assembly or combs required. MERV rated to ASHRAE specs establishing filtration to the level of the OEM Trane TFM235B0AH0 filter. Note: The example air filter picture shown is not true to size and is included to show construction only. Trade names and Trane TFM235B0AH0 P/N shown for air filter replacement purposes.
Shipping and Returns
- Shipping is FREE to the contiguous United States.
Due to shortages and demand the current lead time is up to 10 business days to process.
Orders take 1-3 business days to process.
(Custom & bag filters take 5-7 business days.)
Delivery normally takes another 1-3 days depending on location.
- 30-day 100% return policy.
Payment & Security
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