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
- Lead times vary and are listed at the top of the website. Non-standard sizes (custom, 0.5" thick, etc) take 3-4 weeks for delivery.
- 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.