Our Accumulair 18x22x4 air filter is exactly engineered to be a replacement for similarly sized 18x22x4 air filter specification. Pleated static charged filter material traps contaminants in the air according to the MERV specification. Free of chemicals. Notice: Example filter image displayed is not to scale and is shown for style purposes. Database and 18x22x4 air filter specs last verified 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
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.