Our Accumulair brand 20x21.5x1 air filter is exactly designed to substitute for similarly sized 20x21.5x1 air filter specs. Pleated electrostatic charged media traps contaminants relative to its MERV standard rating. Chemical free material. Notice: Example filter image shown is not to scale and is shown for style purposes only. Current stock and 20x21.5x1 air filter statements current as of 03/24/2020.
Shipping and Returns
- Shipping is FREE to the contiguous United States.
Due to shortages and demand the current lead time is up to 10 business days to process.
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.