Back to top

This product is no longer available, but don't go just yet.


  • Reactor 1.0L stove system includes a 1-liter pot, making it ideal for light and fast adventures by 1 or 2 people.
  • Windproof stove cranks out heat in short order and keeps constant pressure for optimal fuel regulation and consumption
  • Burner features 2 modes of heat transfer, convective and radiant, to generate maximum heat output and boil 1 liter of water in about 3 min. 30 sec.
  • Internal regulation of fuel pressure creates a consistent flame in all temperatures and excellent performance throughout the life of the fuel canister
  • One 133g (4 oz.) fuel canister (not included) allows you to boil about 10 liters of water, meaning you need to carry less fuel and spend less money
  • Integrated heat exchanger fused to the 1-liter pot completely encloses the radiant burner, blocking even the most extreme winds
  • Whisper-quiet operation won't disturb your dinnertime discussions
  • Fuel canister (not included) and stove stow inside pot for compact storage; Reactor Solo system nests optimally with a small-diameter MSR 133g (4 oz.) IsoPro fuel canister
  • BPA-free lid features an integrated strainer to eliminate the hassle of draining water from noodles or steamed vegetables
  • Integrated pot handle locks in place over the lid for secure transport
  • MSR Reactor 1.0L system includes the stove, 1-liter pot with strainer lid and a PackTowl™ to protect the pot from scratches during transport
  • Due to flammable item shipping restrictions, we cannot sell fuel canisters online; they are available at REI retail stores


Specifications based on manufacturers information

View all MSR Backpacking Stoves

REI membership


Best Use Backpacking
Fuel Type Canister
Fuel Isobutane-propane
Auto Ignition No
Burn Time (Max Flame) (Per 8 oz. of fuel) 1 hr. 20 min.
Average Boil Time 3 min. 30 sec.
Dimensions (Packed dimensions) 4.75 x 6.1 inches
Weight 14.7 ounces