Ideal for any Commercial or Agricultural Application, these J&D Heavy-duty 12 gauge wire mesh features hot dipped galvanized finish after welding for rust resistance. 18 gauge galvanized venturi housing encloses efficient 1-speed motor with 3 balanced galvanized steel blades. Enclosed motors include sealed ball bearings with built-in automatic thermal overload protection. Features isolating poly guard clips to help reduce vibration and noise. Mesh screens are removable for easy maintenance. Direct Drive Models allow 45 degree mounting for improved air ventilation needs including poultry, dairy and industrial buildings. 36" Models include attached hanging brackets for easy installation. 48" & 50" Belt Drive Models feature a heavy duty spring belt tensioner. Eccentric locking, pre-lubricated bearings are rubber mounted for smooth operation and long life. UL listed. 2 Year Limited Warranty.