Filter element for air filter

The utility model provides a filter element for an air filter, relates to the technical field of filter elements, and aims to solve the problems that some tiny dust floats in the air, and air enters from a ventilation position, so that the entering air needs to be filtered layer by layer, otherwise, dust carried in the air enters together and can hurt internal organs after being absorbed by people; the air filter comprises a ventilation frame, an air inlet and an air outlet, strip-shaped grooves are formed in the two ends of the top end of the ventilation frame correspondingly. The front ends and the rear ends of the two side walls of the ventilation frame are provided with inserting grooves of hemispherical structures correspondingly. Dust is firstly filtered by the filter frame, the entering dust is also blocked and filtered by the activated carbon and then blocked and filtered by the filter element and the filter plate, at the moment, the dust in the air is filtered layer by layer, the air entering from th