This Accumulair 20x21.5x0.5 air filter is specifically designed to substitute for same sized 20x21.5x0.5 air filter type. Pleated static charged filter media captures airborne contaminants according to the ASHRAE MERV rating. Free of chemicals. Notice: Example filter image displayed is not to scale and is shown for design only. Current stock and 20x21.5x0.5 air filter statements are up to date 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
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