The POWERTEC 2-1/2 - Inch to 1-1/2 - Inch reducer you connect a 2-1/2 '' hose or vesture to a 1-1/2 '' hose. The - inch opening also allows you to accommodate Shop-Vac, Sears and a variety of otherwise wet/dry vacuum cleaners. of leathery, meninx ABS elastic material. childlike to install, and uninstall for the furthermost in ease, performance and reliability.