This Camco Horizontal 2-Stage Propane Regulator is designed for use on motor homes and trailers. It has a 160,000 BTU per hour capacity and a 11" W.C. outlet pressure for optimal performance. Made with integral first and second stages, it provides a smoother, more consistent flow of gas. When mounted between the supply and gas lines, it works to keep onboard appliances ready for use. This Camco propane regulator has a .25" female NPT inlet and a .38" NPT outlet for easy connections. Made from galvanized steel, it is durable enough to withstand rugged use.