48″ is typically used on RV’s and Travel Trailers to connect the Two-Stage Regulator to the permanent gas piping system.
3/8 inch male pipe threads for regulator end
Use 1/2-3/8 reducer to connect to 3/8 flare female for connecting to male end or T splitter inside fish house
Combine with dual tank holder, double stage regulator and 20 inch pig tails for complete connection