Simple to install, use and uninstallAllows you to adapt to a variety of hoses and portsOffers optimal impact resistance and durability for long-term use Introducing the 2.5″ to 1.25″ Hose Reducer by POWERTEC. This adapter serves as a conversion unit for your dust collection accessories and attachments. Designed for professionals and DIY enthusiast alike, now you can use your 2.5 inch ID dust collection hose with all your 1-1/4″ ID wet/dry vacuum tools and accessories It’s perfect for any workshop that’s looking to increase workflow by eliminating the need for extra tools. Most standard 2-1/4″ OD hose connectors will fit inside the 2-7/32″ ID. //Premium Build -The POWERTEC Reducer is made out of high quality ABS plastic. This lightweight material is commonly known for it’s superb durability and abrasion resistance – both qualities perfect for any woodworking environment and/or workshop that depends on high performance dust extraction.INCLUDES: (1) Dust Collection Hose ReducerFUNCTION: Provides you with a 2.5″ OD dust port to utilize with your 2.5-inch ID dust collector hose or accessories – connecting them (stepping down) to a 1-1/4″ ID dust collection accessories without the loss of airflow or efficiencyFEATURES: A universal non-threaded, tapered design to accommodate a wide variety of wet dry vac attachmentsBUILD: This adapter possesses an all-black ABS plastic construction, and was designed for durability – able to withstand the wear and tear often associated with professional workshop use and woodworking dust extractionSPECIFICATIONS: **2-1/2-Inch nominal end measures 2-29/64-Inch (2.45-Inch) O.D. and 2-7/32-Inch (2.28-Inch) I.D. **1-1/4-Inch nominal end measures 1-3/16-Inch (1.19-Inch) O.D. and 1-1/64-Inch (1.02-Inch) I.D. **Please verify your tool size specifications.Optimizing system efficiency, flexibility and effectiveness