Filter Hut's Accumulair brand 21x22x0.5 air filter is solely designed to substitute for similarly sized 21x22x0.5 air filter style. Pleated static charged filter material traps contaminants in the air relative to its ASHRAE MERV specification. Chemical free material. Note: The sample filter image shown is not the actual dimensions and is included to show style purposes. Database and 21x22x0.5 air filter variations current as of 03/24/2020.
Shipping and Returns
- 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.