Koblenz U310DC Dirt Cup Assembly Kit #46-2942-4The dirt cup assembly kit for the Koblenz U310DC gives you everything needed to restore the dust collection system on your vacuum in one complete package. Complete assembly kit includes all components needed to replace the dirt cup on the Koblenz U310DC vacuum Direct OEM fit ensures proper alignment and sealing with your existing vacuum housing Restores full dust containment performance to factory specification Ships fast from the USA get back up and