✓ GALVANIZED ALUMINUM BLADES ✓ COOLING DISTANCE OF UP TO 75 ✓ CORROSION RESISTANT HELP YOUR EMPLOYEES KEEP THEIR COOL WITH THE GLOBAL INDUSTRIAL™ HIGH VELOCITY DOCK FAN WITH WALL / COLUMN MOUNT. EQUIPPED WITH A GALVANIZED ALUMINUM BLADE AND MADE OF HIGH IMPACT POLYETHYLENE, THIS FAN IS BUILT FOR PERFORMANCE, SUPERIOR DISTANCE OF AIR THROW, AND LONG-LASTING DURABILITY. THE WALL / COLUMN MOUNT MAKES IT IDEAL FOR EASY PLACEMENT IN WAREHOUSES, GARAGES, AND OTHER COMMERCIAL AND INDUSTRIAL SPACES. UL, CUL LISTED. 1 YEAR LIMITED WARRANTY.