The suction assembly of the superman self-cleaning centrifuge is a new generation filter cartridge air filter. Compared with traditional air filtration equipment, it has the advantages of simple structure, long service life of filtering elements (filter cartridges), and low maintenance workload. The self-cleaning filter cartridge air filter designed and manufactured by Superman draws on the experience of similar foreign products. The core component of the filter cartridge is an imported branded product, which has a fully automatic control of the filter cartridge backwash self-cleaning function. A pre installed initial filter is also added to further improve the service life of the filter cartridge, reduce the heavy workload of manual replacement of the filter cartridge, and the cost of frequent replacement of the filter cartridge. It is the latest generation product of the air compressor intake filter.