Propane Refill Adapter LPG 1 lb Gas Bottle Tank Coupler Bottle Heater CapPropane Refill Adapter LPG 1 lb Gas Bottle Tank Coupler Bottle Heater CapFeatures:QCC1 Pressure Regulator. The Propane Refill Adapter LPG 1 lb Gas Bottle Tank Coupler Bottle Heater Cap has a built-in safety feature to ensure you never overfill a small tank. Propane Refill Adapters are the safest and easily refill in seconds without tools. This Propane Refill Adapter LPG 1 lb Gas Bottle Tank Coupler Bottle Heater Cap allows you to use a small 1 lb propane gas cylinder with a standard BBQ grill. The Propane Refill Adapter LPG 1 lb Gas Bottle Tank Coupler Bottle Heater Cap is perfect for tailgaters, caterers, campers and anyone who cooks on a grill/cooks out. Directions:1. Freeze an empty 1 lb gas cylinder in the freezer for a few hours. 2. Attach the connector to a propane tank (5-40 lb tank). 3. Attach the 1 lb can (fresh out of the freezer) to the adapter. 4. Pick up the large can and turn it upside down, then place it securely on the corner of the picnic table. 5. Open the propane valve and close it when the liquid propane stops flowing. 6. Turn everything over and remove the 1 lb can. 7. Repeat as needed. Propane Refill Adapter LPG 1 lb Can Can Coupler Bottle Heater Cap Specifications: Propane Refill Adapter LPG 1 lb Can Can Coupler Bottle Heater Cap - Material: Brass Propane Refill Adapter LPG 1 lb Can Can Coupler Bottle Heater Cap - Net Weight: 4 oz (114 g) Package Includes: 1 x Propane Refill Adapter LPG 1 lb Can Can Coupler Bottle Heater Cap