MSR Reactor Stove System. The revolutionary new Reactor is the fastest-boiling, most fuel-efficient all-condition stove system ever made. It offers unprecedented performance in challenging conditions, including superior wind protection and consistent flame output at all temperatures, elevations, and fuel levels. It's also compact and easy to use, comprising a patent-pending canister stove and a high-efficiency 1.7-liter pot that makes it great for everything from solo trips to cooking for groups of up to three people.

Canister fuel sold separately