Actual dimensions are 20 x 23.13 x .75. Accumulair brand: 21x23.5x1 Trane TFE235A1AH20 compatible whole house filters, specifically engineered to substitute for the original brand Trane TFE235A1AH20 filters. Fully constructed with no forming or combs required. MERV rated to ASHRAE 52.2 test classifications establishing particulate capture as good or better than the original manufacturer Trane TFE235A1AH20 filters. Note: The sample filter image as displayed is not true to size and is shown for configuration purposes only. Name brands and Trane TFE235A1AH20 identifier are listed for filter style purposes only.
Shipping and Returns
- Shipping is FREE to the contiguous United States.
- Our current lead times are 3-5 business days for stocked filters (standard 1"-5" thick sizes), up to 3 weeks for made-to-order filters (non-standard and 0.5" sizes).
Delivery normally takes another 1-3 days depending on location.
- 30-day 100% return policy.
Payment & Security
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