▎ 摘　　要

NOVELTY - The utility model claims an air purifier filter screen, referring to the field of air purification, comprising a pre-filtering layer are orderly arranged along the direction of air flow, the PM2.5 filtering layer, a sponge filter layer and sterilizing and filtering, PM2.5 filtering layer is graphene-based filter material, sponge filter layer is graphite alkenyl absorbing sponge, sterilizing and filtering layer comprises a composite filter paper layer are orderly set along the air flow direction and bacteriostatic coating. the pre-filtering layer capable of hair of the primarily filtered air, pet hair and large particulate matter, PM2.5 filtering layer suck-able particles, high anti-haze rate. graphene-based absorption sponge layer of sponge filtering layer can filter the formaldehyde and other volatile organic compounds and hazardous gas and smell, sterilizing and filtering layer capable of bacteria in the air, mildew, mite and so on to filter; the air purifier filter screen structure is simple, has good air purification effect through layers of filtering and purifying; it can satisfy the client needs, and the practicability is strong.