This Accumulair 11.5x11.5x1 air filter is solely designed to substitute for same sized 11.5x11.5x1 air filter specs. Pleated electrostatically charged filter media captures airborne substances according to the MERV standard rating. Free of chemicals. Notice: Example filter picture displayed is not to scale and is included to show style purposes only. Database and 11.5x11.5x1 air filter statements last verified on 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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