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
- Our current lead times are 4-6 business days for stocked filters (standard 1"-5" thick sizes), and up to 8-12 business days for made-to-order filters (non-standard and 0.5" sizes). Delivery normally takes another 1-3 days depending on location.
- Shipping is FREE to the contiguous United States.
- 30-day 100% return policy.
Payment & Security
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