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Item #: 331380177

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.


  • Sized to fit inside the 1.0L Reactor® stove system
  • Zero-maintenance combustion
  • Built-in float gauge determines how much fuel is left


  • Weight 110g (3.9 oz)


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