The 3/4 in. IPS size Yellow Poly Gas Pipe Transition Fitting allows you to transition from MDPE Yellow Poly Gas Pipe to metal pipe. One end of this Transition Fitting is plain 3/4 in. IPS poly gas pipe that will connect to your run of poly pipe using one of the 3/4 in. HOME-FLEX Underground fittings such as the Coupler, Tee or Elbow. The other end of this Transition Fitting has steel 3/4 in. Male Pipe Threads that you can use to couple to metal gas pipe. Be sure to use an appropriate thread sealant on the pipe threads. Able to remove and re-install this fitting into HOME-FLEX Underground fittings.For transition from 3/4 in. IPS MDPE yellow poly gas pipe to 3/4 in. metal gas pipe.Quick and easy to install and remove.Easy to install.Much lighter than steel pipe.Requires the HOME-FLEX Underground coupler to connect to your run of yellow poly gas pip.