Actual Dimensions: 20 x 23.13 x .75. Accumulair brand 21x23.5x1 American Standard TFE235A9AH20 style whole house filters, exactly engineered to substitute for the OEM American Standard TFE235A9AH20 air filters. Completely assembled so no assembly or combs required. MERV graded to ASHRAE 52.2 test standards ensuring operation equal to the OEM American Standard TFE235A9AH20 air filters. Photo: The example air filter image as shown is not true to size and is shown for style purposes. OEM names and American Standard TFE235A9AH20 P/N shown for air filter replacement identification use.
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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