Best Lee Valley 2-1/2″ Rectangular Nozzle For Dust Collection Systems

This nozzleconnects to a shop vacuum system and has a 3 1/2″ × 6″ rectangular opening to cover a wider area. The 2 1/2″ size is the nominal outside diameter of most shop vacuum hoses and fittings. The inside diameter (about 2 1/4″) is tapered to allow a press-fit connection. Made of rigid ABS.