Air cleaner; air filter cartridge and method of manufacturing

According to the invention, is provided with the air filter and an air filtering filter core structure. The air filtering filter element is a air filter capable of being connected with the controller filter element. The filter element comprises the end cover plate; the is radial direction and sealing slot extending. The air purifier comprises a shell; the stabilizing rod is connected with the interior, wherein the filter element is when using, wherein the stable ring is at least part of the filter element groove. Is disclosed method for assembling and is.