✓ 3-SPEED OPEN-AIR OVER PSC-TYPE BALL BEARING MOTOR. ✓ FIXED AND 70 degrees OSCILLATING OPTIONS WITH TILTING HEAD. ✓ MOVES 5,250 CFM. THE 1/6 HP GLOBAL INDUSTRIAL 20" OSCILLATING WALL-MOUNT FAN PROVIDES REFRESHING AIR FLOW WITHOUT TAKING UP VALUABLE FLOOR SPACE IN ANY SETTING LIKE LOADING DOCKS, OFFICES, SCHOOLS, OFFICES, AND KITCHENS. IT HAS AN EFFICIENT 3-SPEED OPEN-AIR OVER PSC-TYPE BALL BEARING MOTOR THAT IS PERMANENTLY LUBRICATED AND QUIET METAL FAN BLADES THAT ARE BALANCED FOR OPTIMUM AIR DISTRIBUTION AND ENCLOSED IN STEEL WIRE GUARDS FOR SAFETY WITH A SAFETY-CLUTCH OSCILLATING MECHANISM THAT PREVENTS JAMMING. A SIMPLE PUSHBUTTON GIVES YOU THE OPTION TO KEEP THE HEAD FIXED IN ONE DIRECTION OR 70 degrees OSCILLATING OPERATION WITH THE ABILITY TO TILT IT FOR PERFECT AIR-FLOW PLACEMENT. PULL CHAIN ON/OFF. MEETS OSHA AND UL507 STANDARDS. LIMITED 1-YEAR WARRANTY. UL, CUL LISTED 12.4'L 3-PRONG 120V POWER CORD HELPS AVOID THE USE OF ADDITIONAL EXTENSION CORDS NOT RATED FOR OUTDOOR USE