MF air filter is used for air inlet pipe location of the blower,when the blower is blowing, installation of the device can effectively prevent dust particles inside to blower, keep clean inside of the blower, thereby prolonging the service life of the blower, the filter cylinder made of aluminum alloy mesh, 100 mesh high density mesh, can filter most of fine dust particles, Omnidirectional intake air, high ventilation, does not affect the blower flow, easy assembly and disassembly, easy cleaning, maintenance free, suitable for most of the air filtration system.