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.
- Our current lead times are 3-5 days for stocked standard filters, up to 3 weeks for non-standard and 0.5" filters, and up to 8 weeks for bag filters.
Delivery normally takes another 1-3 days depending on location.
- 30-day 100% return policy.
Payment & Security
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