Air filter

The utility model belongs to the filter field specifically discloses an air filter, wherein: air filter is including intake pipe, casing and the outlet duct of fixed connection in proper order and intercommunication, divide into first filter chamber and second filter chamber along the axial in the casing, be equipped with an electrostatic precipitator device in the intake pipe, be provided with the 2nd electrostatic precipitator device in the first filter chamber, be provided with the filter core device in the second filter chamber, an electrostatic precipitator device ionization produce ion institute electrically charged with it is opposite that the 2nd electrostatic precipitator device ionization produces ion institute electrically charged. The utility model discloses a static adsorptionand filtration of air has been realized to an electrostatic precipitator device and the 2nd electrostatic precipitator device, has realized the further filtration of air through the filter core device, has enriched the means