This Accumulair 18x18x1 air filter is exactly built to substitute for similarly sized 18x18x1 air filter specs. Pleated electrostatically charged filter media traps airborne particles relative to its ASHRAE MERV rating. Free of chemicals. Notice: The example filter picture as shown is not the actual dimensions and is displayed for construction only. Current stock and 18x18x1 air filter specs are up to date as of 03/24/2020.
Shipping and Returns
- Shipping is FREE to the contiguous United States.
- Orders take 1-3 business days to process.
(Custom & bag filters take 5-7 business days.)
Delivery normally takes another 1-3 days depending on location.
- 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.