The 41892 is designed to accept a male shop vacuum hose end or fitting measuring 2.25" in diameter. The adaptor has a unique collapsible membrane that permits it to lock on and provide a dust proof shield on male fitting from 2.65" ( 67.00 mm ) to .50" ( 12.5 mm ) The diameter flexibility delivered by the 41892 is ideally suited for many applications in the dust recovery field.
