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
- Our current lead times are 6-8 business days for standard filters (1"-6" thick sizes), and up to 10-14 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
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.