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
- Our current lead times are 10-14 business days for standard filters (1"-6" thick sizes), and up to 14-21 business days for made-to-order filters (non-standard and 0.5" sizes). Delivery normally takes another 1-3 days depending on location.
- Shipping is FREE to the contiguous United States.
- 30-day 100% return policy.
Payment & Security
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