Our Accumulair 12x18x4 air filter is exactly made to be compatible with same sized 12x18x4 air filter specs. Pleated electrostatic charged media traps airborne particles relative to its MERV rating. Chemical free material. Notice: Example filter picture as shown is not to scale and is included to show style only. Current stock and 12x18x4 air filter variations 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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