Red Dragon HP-10 C 10-Foot Liquid or Vapor Propane Hose With Male & Female 1/4-Inch Fittings Manufactured in USA U.L. Listed for use with either vapor or liquid LP-gas Maximum working pressure of this hose is 350 PSI with a burst test of 1750 PSI. A 1/4-inch female brass coupling is included with each hose. Each hose is coupled with 1/4-inch male pipe thread fittings on both ends