Our Accumulair brand 19x19x4 air filter is solely constructed to substitute for similarly sized 19x19x4 air filter specification. Pleated electrostatically charged filter media traps contaminants in the air according to the MERV rating. Free of chemicals. Notice: The example filter image displayed is not to scale and is included to show construction purposes. Database and 19x19x4 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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