"220V Cooling Fan" magnesium alloy blades good heat dissipation fan bearings can effectively reduce the ambient temperature, to extend the service life of the fan. Fan with a full range of lead-free materials, environmental compliance and certified by ROHS. Centrifugal fans "MZ ASPIRATORI" can be mixed in a mobile air dust or fine particles of uncertain size, pointed out in strict accordance with the following conditions of use directory technology or more complex systems. Do not open the non-professional engineering and technical personnel fan system. Proper operation and "MZ ASPIRATORI" fans can improve and fan life and reduce operating costs.