20"26"30"Axial Industrial Wall Mounting Fan High quality Industrial wall fan: 2 or 3 blades; 3-speed setttings,Oscillating High velocity wall fan: Motor: Powerful long-lasting 1/5 HP motor,open ventilated,ball bearing,permanedt split capacitor,Oscillaing,Large air volume and low noise;Switch: 3-speed rotary switch;Cord: 2 m long;Blade: Al, 2 or 3 leaves shape;Guaed: Sprial wire,front and rear;Mount base: optional: direction adjustable. Product Model:FB500-1FB650-1FB750-1Product Spec20"26"30"Voltage110-240V 50/60Hzl Spider web grill colorplated powderl Blade3pcs Aluminiuml Speed3 speeds l Oscillationl Power cord3*0.5*1.8Motor115*16mm120*20mm120*24mmPower(W):180210250Speed(r/min)135013501350Air Volume(m3/h)80001400019000Packing Size(CM):0.08m30.10m30.11m3Packing Quantity(PCS):111Loading QTY(pcs)350/600/850280/480/680255/436/618