Yellow premium gas refill S.T Dupont 432: Replaces yellow gas refill S.T Dupont 150 Compatible with S.T Dupont lighters from Line 1 small model and lighters from Line 2 Reusable, 1 refill allows to fill 5 times your lighter Charging time: 5 seconds Integrated valve Made in France Instructions for use Choose the right refill according to the color code of your lighter Screw the refill into the lighter valve Turn the lighter and recharge upside down Press the recharge, without forcing, hold for 5 seconds