Features of the blower : - As the application of the single phase explosive proof motor , explosive proof terminal box and explosive proof switch - It blows the dust air which be happened at the Class1 / Class 2 of explosion area - Make low noise and Light weight due to die-casting aluminum alloy - Move the blower easily wherever exhaust or inhalation by field condition due to small and portable - Prevent workers from the suffocating by improving bad - With the good capability ,the novel pattern , the reasonable structure and the strong suction . Application : - Paint warehouse , painting ,dry paint , gas tank , duct space - Chaing the air of airtight space such as tank ,and manhole etc. - Working sewer and cable - Blowing bad gas when welding shipbuilding , canning ,bridge ,chemical lab ,depot , mining , oil field