Actual dimensions are 20.1 x 23.2 x 5. Accumulair brand 21x23.5x5 American Standard TFM235B0AH0A style whole house air filters, specifically constructed to replace the OEM American Standard TFM235B0AH0A air filters. Fully constructed - no assembly or combs needed. MERV graded to ASHRAE specifications establishing filtration to the level of the name brand American Standard TFM235B0AH0A filter. Notice: Sample filter picture displayed is not the actual dimensions and is shown for construction only. Name brands and American Standard TFM235B0AH0A P/N included for air filter style identification.
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), and up to 8 weeks for bag filters.
Delivery normally takes another few days depending on location.
- 30-day 100% return policy.
Payment & Security
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