Our Accumulair brand 21x23x1 air filter is solely made to be compatible with same sized 21x23x1 air filter specs. Pleated electrostatic charged media traps airborne contaminants relative to its MERV rating. Chemical free material. Notice: The example filter image displayed is not the actual dimensions and is included to show construction purposes. Current stock and 21x23x1 air filter specs 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.
Payment & Security
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