The Marshall Excelsior Two Stage Propane Regulator features feature an all zinc body construction, high and low 1/8 Inch NPT pressure tap ports, an integral second stage drip lip vent and optional standard or 90 Degree vent locations. Specifications•Inlet Size: 1/4 Inch•Inlet Attachment Type: Female Threads•Outlet Size: 3/8 Inch•Outlet Attachment Type: Female Threads•Installation Type: Vertical•Outlet Pressure: 11 Inch WC•Number Of Stages: 2•BTU Level: 175000 BTU Per Hour•Material: Zinc•With Shut Off Valve: No•With Hose: No•RV Approved: Yes Meet UL, RVIA & NFPA Requirements High & Low 1/8 Inch NPT Pressure Tap Ports, An Integral Drip Lip Vent & Optional 90 Degree Vent Location