PVC (polyvinyl chloride) partition-free high-efficiency filter

According to the technical scheme, the partition-free efficient PVC filter is characterized in that the partition-free efficient PVC filter comprises a main filter box, an auxiliary filter box is arranged on one side of the main filter box, two first fixing blocks are fixedly installed on the two sides of the auxiliary filter box and the two sides of the main filter box respectively, an air inlet frame is fixedly installed on one side of the main filter box, and an air outlet frame is fixedly installed on the other side of the main filter box; pleated filter cotton is fixedly installed on the two sides of the interior of the main filter box, the manual dust removal assembly is arranged on one side of the main filter box and used for manually reducing dust attached to one side of the pleated filter cotton, the manual dust removal assembly comprises two supporting frames, the two supporting frames are fixedly installed on one side of the main filter box, and the two supporting frames are arranged on the other s