12ft Propane Hose Assembly is most commonly used with most distribution posts or T and Y connectors. Swivel 1in - 20 Male Throwaway Cylinder Thread x Swivel 1 - 20 in Female Throwaway Cylinder Thread Used with most distribution posts or T and Y connectors as well as 1 lb. disposable cylinders Hose material stretch tested to 400 psi Hose material pressure tested to 600 psi Solid brass fittings