Actual size is 20.1 x 23.2 x 5. Accumulair brand 21x23.5x5 Honeywell TRN2321T1 substitute whole house air filters, specifically built to be an alternative to the original brand Honeywell TRN2321T1 filters. Fully built - no assembly or combs required. MERV rated to ASHRAE 52.2 test standards establishing operation equal to the original brand Honeywell TRN2321T1 air filter. Notice: Example air filter picture as shown is not to scale and is there to show configuration purposes only. Company names and Honeywell TRN2321T1 identifier shown for filter style identification only. Catalog and variations current as of 03/29/2020.
Shipping and Returns
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- 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.
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