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
- Our current lead times are 10-14 business days for standard filters (1"-6" thick sizes), and up to 14-21 business days for made-to-order filters (non-standard and 0.5" sizes). Delivery normally takes another 1-3 days depending on location.
- Shipping is FREE to the contiguous United States.
- 30-day 100% return policy.
Payment & Security
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