20"/26"/30" Electric industrial stand fan 1.Motor 120*20mm/120*24 2.Base Metal 3.Blade 3pcs Aluminium 4.Free Standing industrial stand fan industrial fan powerful fan Electric fan industrial stand fan 3-speed setting stand fan; Adjustable tilt bowing angle,Oscillating; High quality industrial stand fan: Motor: Powerful long-lasting motor,1/12HP, oper ventilated, permanently lubricated, ball bearing, permanent split capactior,Oscillaing,Large air volume and low noise; Switch: 3-speed rotary switch; Cord: 2M long; Blade: Aluminum, 3 Leaves shape; Guard: Sprial wire, front and rear; Base:Iron Cross base; Pole: Height Adjustable.