"The Shop-Vac® 1-1/2 inch diameter Utility Nozzle is ideal for cleaning workbenches, vehicle interiors and other small spaces. The nozzle fits 1-1/2 inch diameter hoses with hard accessory end. Use the included adaptor to connect the nozzle to 1-1/4 inch diameter hoses.

The 9198400 1-1/2 inch adapter (not included) is required to connect the nozzle to 1-1/2 inch diameter hoses with the soft vinyl hose end. "