DF series low-noisy industrial blower 1)high-efficiency 2)long service life 3)low noise 4)easy installation,etc. DF series low-noisy centrifugal industrial blowerFeatures 1)high-efficiency ,long service life ,low noise .easy installation,etc.Applications1)IT widely used in such department as electric power,steamship ,papermaking ,etc.especially for ventilation in plastic machinery,print machinery ...