Alfred Dunhill Lighter Butane Butane Refill Butane Gas For Dunhll Lghter At Charles Nunnally Australia Refillable Lighters Shake the butane refill canister before use. Firmly press the nozzle into the refill valve and hold for about 5-10 seconds. The Rollagas shape is Dunhill's oldest and most popular design. Butane operated, the soft yellow flame emitted is warm and steady. Turn the lighter upside down.