1. Propane gas refill adapter hose for 1 lb. TANKS This propane gas refill hose comes with high quality rubber to ensure , leak operation while providing excellent weather resistance. The propane gas refill adapter for 1 lb. The tanks of this propane gas refill hose are made of solid brass to ensure and durable for long lasting use. 2. Wide Compatibility Propane Gas Refill Adapter This propane gas refill adapter tube can refill the 1lb camping bottle and connect 20 50lb propane gas tank directly. Convenient for those with larger tanks. Fits heater, camping stove, portable grill, tabletop grill and more. The 1lb propane tank refill adapter is ideal for camping, tailgating, heating needs or an outdoor cookout 3. Propane Refill Adapter Tube Length 36 inches. Rated Pressure 350 PSI CONNECTION QCC1/Type1 connector to 1' x 20 female thread with union cylinder thread. 350 PSI High Pressure Propane Extension Hose The propane adapter refill hose is easy and quick to install for easier installation. 4. Propane gas refill adapter for 1 lb. Tanks use advice: Over flow protection device is designed in the QCC adapter. Connect the QCC1 adapter to your tank first and open gas for few seconds then connect the propane filler adapter 0.5 kg to your small tanks. On propane refill adapter for 0.5 kg. Tanks with on/off control valve, if you do not want to refill, close the refill valve. The other side uses QCC1 standard propane gas connector.