Actual Size: 20.75 x 25.75 x 3.75. This Filter Hut (Accumulair brand) substitute grille filter is solely engineered to be a replacement for the original OEM 21x26 grille return air grille filter style. No hand assembly necessary. Notice: Example filter image displayed is not to scale and is shown for lip construction purposes only. *Trade names and 21x26 grille nominal sizes are shown for air filter substitution identification. Database and 21x26 grille statements last updated on 03/22/2020.
Shipping and Returns
- Shipping is FREE to the contiguous United States.
- 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.
Payment & Security
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.