The dust removal filter element is made of high-strength polyester long fiber nonwovens and imported wood pulp fiber filter paper. As the filter material, the dust removal filter element has the characteristics of strong filtering stiffness, high precision, easy disassembly and cleaning, and repeated use. It is applicable to fan dust removal, air conditioning duct cleaning, powder spraying, sand blasting, pigment industry and wood processing filtration. Imported long-fiber polyester filter material, fibers are interlaced and evenly distributed. It has good abrasion resistance and can withstand the pulse back blowing of air flow better than the traditional filter material. The end cover and center frame are galvanized parts, which are not rusty. Special sealed closed cell elastic neoprene. The filter material has good stiffness and can be cleaned repeatedly.