Global industrial’s series 1-way yoke mount provides portable cooling for personnel or processes. Heavy duty construction provides many years of service in demanding industrial locations such as steel mills, foundries, factories and warehouses. optional specifications available include : 3 phase 230/460v explosion proof motor 1/3 or 1 hp motor features and benefits swivels 180 on a horizontal axis front & rear osha style concentric circle wire guards on all sizes except 60″ which is 1/2″ wire mesh rugged spark-resistant cast aluminum propellers are standard industrial grade tefc motors are standard explosion proof motors available for hazardous locations all models have cord wired to motor and extended through fan housing except explosion proof fans optional accessories manual starting switches with built-in overload protection, mounted & wired for fans with tefc motors only coatings available for outdoor service or harsh environments fabricated steel propellers