Several companies make these air-moving registers and they come in a variety of sizes and colors such as Airflow Breeze air movement register booster fans are produced by AirFlow Technology, Airflow Technology 1427 West 86th Street, Suite 328 Indianapolis, IN 46260 1-800-458-5540 website: ht...
Since how they are one of the biggest companies doing business for Norfab, they can offer a 10% discount! I actually got a little more! :o). Shipping might cost me nothing. Norfab is only a 90 minute drive from where I live now, so I can truck it myself if I choose. Otherwise...