Ouderli Two functions 750W Professional Industrial Electric Aspirator Blower with Variable Speed Q1B-ODL-309 Product Description Blowing Rate: 3.5m3/mm Rated Voltage: 230V Rated Frequency: 50Hz Rated power Input: 750W Rated speed: 0-16000r/min QTY: 4PCS/CTN G.W/N.W: 14.5/12.5KGS MEAS: 52.5*38.5*42.5cm 20FT Qty: 1308PCS Features: Easy to change from blowing to aspirating More convenient to clear dust Beautiful appearance Special design Double insulation Rubber tube(30mm) Flexible tubeGap suction head Wide suction head Collection bag Our Services Warranty: If the Blower manufactured by our factory is damaged or can not work normally for the quality, we will repair it free within six months since the date of dispatching. We could offer OEM service. company informations