Craftsman 4 in. L X 4 in. W X 2-1/2 in. D Air Diffuser and Muffler 1 Pc

The CRAFTSMAN 2-1/2-inch Air Muffler/Diffuser is designed to reduce the operation noise of a wet/dry vac. This accessory connects to a blowing port to suppress motor noise without reducing suction power. Fits CRAFTSMAN wet/dry vacs with a 2-1/2-inch diameter blowing port.