450mm Propane and Butane Pigtail with Rupture Protection - Butane Nut x W20 The 450mm Propane/Butane Gas Pigtail with Hose Rupture Protection is a super-safe, top-grade LPG connector that really delivers on performance and reliability. Ideal for life on the move, this premium pigtail gives you peace of mind when hooking up to your LPG cylinder and regulator using the super compatible Butane Nut x W20 fitting. This pigtail has a built-in Hose Rupture Protection feature which will shut off gas flow if the hose becomes damaged - saving your mobile LPG system from a potentially big problem. Made from tough, weather-resistant materials and meeting the strict EN 16436-1 Class 3 standards, this hose has been designed to keep going even in the toughest conditions. Whether you're tour