This Accumulair 11.25x23.25x4 air filter is solely constructed to substitute for same sized 11.25x23.25x4 air filter specification. Pleated electrostatic charged filter material traps airborne particles according to the ASHRAE MERV rating. Chemical free. Note: Example filter image shown is not the actual dimensions and is included to show design purposes. Catalog and 11.25x23.25x4 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 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.
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