Consolidate your backpacking fuel with the FlipFuel® Fuel Transfer Device. This ultra-lightweight durable gadget allows you to transfer isobutane fuel between canisters and top-off your fuel before a trip. The precision-engineered aluminum alloy with brass fittings and a trail weight of just 1.4 ounces (39.7 grams) make it a backpacker's essential. Get peace of mind with our replacement guarantee and end fuel anxiety on the trail.