▎ 摘 要
NOVELTY - This utility model claims a graphene filtering exhaust fan, comprising machine shell and install embedded on upper blade in the housing, said housing face discharging gas direction of gas entrance and the direction are respectively set with filter mechanism, wherein, the whole filtering machine are each including front and rear filter screen filter screen, and the filter screen is set with front graphene with filter membrane, then before and between back filter screen is set with filter screen with active coal layer. This new utility model reinforcing of power capacity of filtering machine, make the exhaust fan in at the same time having function of filtering air and then can prolong using life of filtering machine.