- Propane Refill Adapter for 1 lb. Tanks: This 3-foot propane refill adapter hose is constructed from high-quality rubber for safe, leakage-free operation and excellent weather resistance. The solid brass fittings ensure durability and long-lasting performance, meeting strict quality control standards for reliable use. - Wide Compatibility: The refill adapter hose connects 1 lb. camping bottles directly to 20-50 lb. propane tanks, making it ideal for users with larger tanks. Perfect for heaters, camp stoves, portable grills, tabletop grills, and more, this adapter is essential for camping, tailgating, heating needs, and outdoor cookouts. - Specifications: Length: 3 feet (36 inches / 91 cm); Rated Pressure: 350 PSI; Connection: QCC1/Type1 connector to 1" x 20 female throwaway cylinder thread. The high-pressure propane extension hose allows for easy and quick attachment, facilitating a seamless connection between a large cylinder and a small 1 lb. propane tank without the need for moving or carrying. - Usage Advice: The QCC adapter features an overflow protection device. First, connect the QCC1 adapter to your tank and open the gas for a few seconds before attaching the 1 lb. propane filler adapter to your small tanks to ensure proper function. If you do not wish to refill, simply close the refill valve. The other end is compatible with QCC1 standard 20-50 lb. propane tanks.