Check the listing for details. POWERTEC 2-1/4” Adapter Union & 2-1/2" Hose Splice, Black (70181). Color: Black, Condition: New. Listed at 12.59 USD. POWERTEC 70181, 2-1/4” Adapter Union & 2-1/2" Hose Splice, Black The 2-1/4-inch Union Hose Splice by POWERTEC. The Union Hose Splice is designed to allow quick and convenient connection and disconnection of 2-1/4-inch o.D. Adapters and fittings. Quick and easy to use, This unit provides simple transition for maintenance or fixture placement. Both 2-1/4-inch nominal ends measure 2-29/64-inch o.D. And 2-19/64-inch I.D. SPECS Allows easy connection and disconnection of two 2-1/4-inch O.D. Adapters or fittingsIt can splice or couple two 2-1/2-inch ID flexible dust hoses togetherQuick and easy to useTough, durable ABS plastic materialBoth 2-1/4-inch Nominal ends measure 2-29/64-inch O.D. And 2-15/64-inch I.D.POWERTEC is a leading manufacturer of high quality woodworking tools and accessories, machines, and an assortment of OEM replacement parts. We are committed to exceeding expectations, while bringing the latest innovations, technology, and product development to the industry.