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.
Specifications:
3.9 oz / 110g
8 oz / 227g
16 oz / 450g
Dimensions
3.5″ x 3.5″ x 2.7″
4.3″ x 4.3″ x 3.7″
4.4″ x 4.4″ x 6.0″
Weight
7.4 oz
13.1 oz
1 lb 7 oz
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