This Accumulair brand 21.5x23.25x0.5 air filter is solely engineered to replace similarly sized 21.5x23.25x0.5 air filter style. Pleated static charged filter material traps airborne particles relative to its MERV standard rating. Material is free of chemicals. Notice: The sample filter picture shown is not the actual dimensions and is included to show construction only. Database and 21.5x23.25x0.5 air filter specs last updated on 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
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