Upgraded Propane Refill Hose: The propane extension filling hose newly designed with coloful dial gauge, which matchs with tank gauge level indicator and allows you to read and monitor the gas level without necessarily removing the tank, and can detect the leaks How to Use: Connect the QCC1 adapter to your tank first and open gas for few seconds or it may not work then connect the 1lb adapter to your small propane bottle. If you do not want to refill,close the refill valve. So, you can refill the 1lb propane bottle from 20-50Lb propane tank directly without having to move or carry the tanks easily, for the 1lb propane bottle is easy to carry. Product's Standards: . And the length of the Upgraded propane refill hose is:3 feet / 36 Inch / 91 cm. Rate pressure of the propane extension refill hose: 350PSI rated high pressure. Durable Material: The 36inch propane refill hose is made of durable quality rubber with weather resistance, anti corrosion, anti-aging, air tightness, heat-resistance, flexibility features. And the QCC1 male connect, propane tank gauge , gauge, and 1lb bottle tank adapter connection with shut-off control valve are made of premium solid brass to secure and durable for long-lasting to use. Wide Application: The 1LB propane filling hose can be used for heater, portable grill, camp stove, tabletop grill, and more. for tailgating,camping, heating needs or having an outdoor cookout. Colour:Photo Color Material:Metal+Plastic Size: 91cm Package Contents: 1 x propane extension refill hose 1 x propane bottle cap 1 roll x sealing tape Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.