Fans & Blowers High Temperature Plug Fans AirPro Fan & Blower high temperature plug fans can be designed with either a forward-curved, backward-inclined or paddle-wheel type impeller. Plug fans are typically designed to mount directly to an enclosure (oven, furnace, etc.) and provide high volume, low pressure performance for high-temp applications. AirPro plug fans can operate up to 1700F and are available in V-belt, direct-drive, with/without housing and with/without inlet cone. 3B Air Systems is a representative for Airpro Fan & Blower (www.airprofan.com) and can assist you with your process air needs.