Our Accumulair brand 12x30.5x4 air filter is solely engineered to substitute for same sized 12x30.5x4 air filter style. Pleated electrostatically charged filter media traps contaminants relative to its MERV standard rating. Chemical free material. Note: Sample filter picture displayed is not the actual dimensions and is included to show construction purposes. Database and 12x30.5x4 air filter specs last verified 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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