Our Accumulair brand 21.25x21.25x0.5 air filter is specifically engineered to substitute for similarly sized 21.25x21.25x0.5 air filter style. Pleated static charged filter media traps contaminants in the air relative to its MERV specification. Material is free of chemicals. Note: The example filter image displayed is not to scale and is displayed for style purposes. Catalog and 21.25x21.25x0.5 air filter variations last updated on 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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