Boils 1litre in 3:30 Uses standard threaded gas cylinders. When it comes to canister-mounted stoves, MSR proves less is more. The PocketRocket is a favorite of BACKPACKER Magazine Tester Andy Dappen, who said, "This midget flamethrower is one of the lightest backpacking stoves available, and the best cartridge stove I've used." Ultralight, Pocket-Sized Weights just 86g. Palm-size dimensions, 4x4x2 inches. Simple, Lightening-Fast Operation No need for priming, pressurizing or maintenance. Blazing Heat Output Boils a liter of water in under 3.5 minutes. Simmer or Boil Glove-friendly controls allow precise flame adjustment and stability. Windclip Windshield Micro-burner, tri-sectional clip protects flame in light wind gusts. Clean burning, ultimate performance from start to finish of canister life. (fuel bottle sold seperately)