Our adapter hose extensions are made of 3-layer PVC material, which is stronger and more durable than ordinary ones, and could withstand a variety of harsh climates and temperatures, with good resistance to heat and corrosion.100% solid brass ensures a securely sealed connection, which could provide a tighter and leak-free connection. Gives you more peace of mind for your BBQ life! Our Propane Tank Hose Extension Hose, for use with all equipment with QCC/POL ports, allows you to connect the hose from your grill or heater to your propane tank, and fits most grills, heaters, camping grills, RVs, turkey fryers, and more Package includes:1*12 feet propane extension hose with QCC connection. Our propane extension hose adapter kit is CSA certified for safety and stability when in use. Our extension tube hose comes with a colorful engraved dial, which allows you to know and read the fuel level clearly when you are using it. This adapter converts older LP tank POL service valves to QCC1/Type1 hoses or regulators for 5-100 lb propane tanks. After-sales Service: CHILIPILI is committed to providing customers with high-quality products and the best service. Before and after purchase if you have any questions about the product please feel free to contact us, we will provide you with satisfactory solutions. propane tank extension hose with gauge