... to operate,Low noise, 2.Used in furnance ,boiler,and forced ventilation 3.ISO&CE BOILER CENTRIFUGAL BLOWER FANCell: + 86 ... 18790510806Company profile:XinXiang blower factory CO., LTD.We have more ... ,80288.79 12. Installation requirement1. when Install the blower, the weight of the gas transmission pipeline should not ...