The Marshall Excelsior fixed high pressure single stage regulators are designed to provide an economical solution for pounds-to-pounds service applications. Specifications•Inlet Size: 1/4 Inch•Inlet Attachment Type: Female Threads•Outlet Size: 1/4 Inch•Outlet Attachment Type: Female Threads•Installation Type: Horizontal•Outlet Pressure: 30 Pounds Per Square Inch•Number Of Stages: 1•BTU Level: 1200000 BTU Per Hour•Material: Zinc•With Shut Off Valve: No•With Hose: No•RV Approved: Yes Designed For High Pressure RV Applications This Regulator Is Ideal For 5th Wheel Split Cylinder Applications | Marshall Excelsior Single Stage Red LP Regulator, 30 PSI