Mr. Heater F273707 5-Feet Propane Hose Assembly with 1/4-InchMale Pipe Thread x 3/8-Inch Female Flare .25 inch Male Pipe Thread x .38 inch Female Flare Replaces most hose assemblies between regulator and fish cooker -smoker; torches; or other appliances Hose material stretch tested to 400 psi Hose material pressure tested to 600 psi Solid brass fittings