Description: Feature: Constructed with solid brass,durable to use. One End Outer QCC1/Type Male Thread, Inner POL Female Thread. Other End 1/4 Inch Male Pipe Thread. Easy to connect a firebowl with a propane tank regulator to the external 1/2" unregulated propane outlet of your RV. Just plug and play, or light a fire! Specification: Material:Brass Connection: QCC1/Type 1 Male and POL Female Connection to 1/4inch male pipe thread. Scope of application: Gas conversion joint Package list:1 x Brass Pipe Thread Adapter