S T Dupont Green Gas Refill

Green gas refill. For the following lighters: Gatsby. USE 1. Hold your lighter vertically, facing downwards. 2. Unscrew the cap. 3. Empty the gas tank by pressing the valve head (using a ballpoint pen). 4. Squarely screw down the refill upside down into the filling valve. Push the refill down without using undue force for 5 seconds. weight 120 grms per can