This Filter Hut Accumulair brand 21x22x1 air filter is solely constructed to be a replacement for same sized 21x22x1 air filter specs. Pleated electrostatically charged filter media traps airborne substances according to the MERV specification. Free of chemicals. Note: The example filter picture displayed is not to scale and is shown for construction only. Current stock and 21x22x1 air filter variations last verified on 03/24/2020.
Shipping and Returns
- Shipping is FREE to the contiguous United States.
- Our current lead times are 3-5 business days for stocked filters (standard 1"-5" thick sizes), up to 3 weeks for made-to-order filters (non-standard and 0.5" sizes).
Delivery normally takes another 1-3 days depending on location.
- 30-day 100% return policy.
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