05J2112 - 2 1/2" to 4" Adapter
This rigid ABS adapter is used to connect a 2 1/2" hose to a 4" dust collection system. It has a nominal outside diameter of 2 1/2" and inside diameter of 2 1/4", making it suitable for most shop vacuum hoses and fittings.
WARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause Reproductive. For more information, go to www.P65Warnings.ca.gov (opens in new tab).

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2 1/2" to 4" Adapter
This rigid ABS adapter is used to connect a 2 1/2" hose to a 4" dust collection system. It has a nominal outside diameter of 2 1/2" and inside diameter of 2 1/4", making it suitable for most shop vacuum hoses and fittings.