... blower fan 1.High efficiency,Easy to operate,Low noise, 2.Used in furnance ,boiler,and forced ventilation 3.ISO&CE BOILER CENTRIFUGAL BLOWER ... change outside, still should be regularly oil change 7. Producing utilityCNC Plasma Cutting MachineCases WeldingDynamic Balancing Adjusting 8 ... 17,7000.21Domestic MarketUSD 7,486,80288.79 12. Installation requirement1. when Install the blower, the weight of the ...