MSR IsoPro is a performance-boosting, 80/20 blend of isobutane and propane, with the purest isobutane (5% or less n-butane) of any canister fuel. This clean-burning formulation maintains higher internal pressure at lower temperatures than standard butane/propane mixtures, delivering superior cold-weather performance and more consistent output over the life of the canister.
Dangerous goods – In Store Pickup only
FEATURES
- Improved Performance: 80/20 blend of isobutane and propane delivers superior performance throughout the life of the canister and in colder temperatures
- Clean-Burning: Zero-maintenance combustion
- Fuel Gauge: Built-in float gauge determines how much fuel is left (4 oz. and 8 oz. canisters)
- Recyclable: Consult your local recycling center for regulations
SPECIFICATIONS
Fuel mix: 20% propane, 80% isobutane
Country of Origin: Korea









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