✓ COOLING DISTANCE OF UP TO 75. ✓ . 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.