PLS Propane Hose Assembly 450mm. High pressure orange hose 30 bar working pressure, 90 bar burst pressure. Fitted with rupture protection valve. A self adhesive advisory label is attached to every hose. Gas Type - Propane. Length 450mm. Inlet - POL. Outlet - W20. This is compulsory when using drive safe systems. Automatically cuts gas supply in the event of an accident