Filter Hut's Accumulair 21x21x2 air filter is solely made to replace similarly sized 21x21x2 air filter specification. Pleated static charged media traps airborne contaminants relative to its MERV rating. Free of chemicals. Notice: The sample filter picture displayed is not the actual dimensions and is included to show style purposes only. Database and 21x21x2 air filter variations are up to date as of 03/24/2020.
Shipping and Returns
- Shipping is FREE to the contiguous United States.
- Our current lead times are 3-5 days for stocked standard filters, and up to 24 days for non-standard, 0.5" , and bag filters.
Delivery normally takes another 1-3 days depending on location.
- 30-day 100% return policy.
Payment & Security
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