Our Accumulair 19x27x4 air filter is solely designed to substitute for similarly sized 19x27x4 air filter specification. Pleated static charged filter media traps airborne particles relative to its MERV specification. Free of chemicals. Note: The example filter image shown is not to scale and is shown for design purposes only. Database and 19x27x4 air filter statements last updated on 03/24/2020.
Shipping and Returns
- Shipping is FREE to the contiguous United States.
- Our current lead times are 3-5 business days for stocked filters (standard 1"-5" thick sizes), up to 3 weeks for made-to-order filters (non-standard and 0.5" sizes).
Delivery normally takes another 1-3 days depending on location.
- 30-day 100% return policy.
Payment & Security
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