Usage Tips:Propane Refill Adapter Lp Gas 1 Lb Cylinder Tank Coupler Bottles Heater Capming Propane Refill Adapter Lp Gas 1 Lb Cylinder Tank Coupler Bottles Heater Capming Features: QCC1 regulator valve. Propane Refill Adapter Lp Gas 1 Lb Cylinder Tank Coupler Bottles Heater Capming Built in safety feature that will ensure you NEVER over-fill your smaller tank. Propane Refill Adapter Safest and easy to refill in seconds with NO TOOLS required. This Propane Refill Adapter Lp Gas 1 Lb Cylinder Tank Coupler Bottles Heater Capming will allow you to use a small 1 LB propane cylinder with your standard BBQ Grill. Propane Refill Adapter Lp Gas 1 Lb Cylinder Tank Coupler Bottles Heater Capming Great for tailgaters, caterers, campers and anyone that cooks on the grill/has cookouts. How to Use: 1. Put your empty 1 lb cylinders in a freezer for a couple of hours. 2. Attach the coupler to your propane tank (5-40 lb tank). 3. Attach your 1 lb tank (fresh from the freezer) to the adapter. 4. Pick up your large tank and turn it upside down and rest it securely on the corner of your picnic table. 5. Open the propane valve and shut it off when the flow of liquid propane stops. 6. Turn everything right side up and remove the 1 lb cylinder. 7. Repeat as necessary. Propane Refill Adapter Lp Gas 1 Lb Cylinder Tank Coupler Bottles Heater Capming Specification: Propane Refill Adapter Lp Gas 1 Lb Cylinder Tank Coupler Bottles Heater Capming - Material: brass Propane Refill Adapter Lp Gas 1 Lb Cylinder Tank Coupler Bottles Heater Capming - Net weight: 4oz(114g) Package Includes: 1 x Propane Refill Adapter Lp Gas 1 Lb Cylinder Tank Coupler Bottles Heater Capming