Connect air duct to air flow control valve to drive motor(control the speed of motor by making use of air flow control switch),this paint stirrer has light weight and is convenient to operate,no sparks while operating.Moreover,it can be used 
in the places that have higher demands on security.
将风管连接到空气流量控制阀上，以驱动电机（通过使用空气流量控制开关），这个搅拌机有着重量轻，操作方便，无火花操作。而且可以使用在对安全有更高要求的地方。