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.

DETAILS

• Canister is designed for use with all MSR canisters stoves and will work with many other brand canister stoves
• 80/20 blend of isobutane and propane is clean burning, delivering superior performance throughout the life of the canister and in colder temperatures
• Printed float gauge allows you to place your canister in water to determine how much fuel is left
• Self-sealing valve allows the canister to be removed from the stove burner for transportation
• Canisters can be recycled under specific conditions; consult your local recycling center for regulations