Reactor 2.5L Stove System

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The world’s fastest, most fuel-efficient all-condition stove system

MSR's largest capacity Reactor System, the 2.5L version excels with groups of 2-3 people. The wider pot makes it a snow-melting, expedition powerhouse. Not only is the Reactor Stove System the fastest and most fuel efficient stove ever made, it’s the only one that delivers that level of performance in the cold and wind of the real world. Simply put, you’ll burn less fuel, carry less fuel, and move faster than with any other stove available. And with MSR’s proven quality and durability, you can be assured of that performance to pull you through when you need it most.

California WARNING: Contains brass, which can expose you to lead, which is known to the State of California to cause cancer, and birth defects or other reproductive harm.


Brand Name:
Fuel Type:
Gas Canisters
Stove System:
Stove System with Pots
Boil Time:
3 min for 1 Liter
Stove Igniter:
No Igniter
2.5 Liter
1 lbs 4.7 oz total weight
7.3 x 5.5 in packed size
Made In:
Mfg Sku/Part Number:
Other Features:
Includes: Reactor Pot and Stove, BPA-Free Strainer Lid, PackTowl® Pot Protector, and folding/locking handle

Burn time (MSR IsoPro) per 8 oz. canister: Approx. 80 minutes
Water boiled (MSR IsoPro) per 8 oz. canister: 22 liters
Water boiled (MSR IsoPro) per 1 oz. of fuel: 2.8 liters

• Outperforms the competition in lab tests'boiling 1 liter of water in just 3 minutes'with an even greater advantage in challenging conditions
• Patent-pending radiant burner and heat exchanger make the Reactor the most efficient all-condition stove system, so you carry less fuel
• Radiant burner head is enclosed by heat exchanger for total protection in even the windiest conditions
• State-of-the-art stove and high-efficiency pot are combined into one compact, easy-to-use system
• Internal regulator equalizes fuel pressure for optimal performance in all conditions and at all fuel levels

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