MSR Isopro Fuel

<p>The 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. </p> <p class=details>Weight: <strong>113 g (4oz), 227 g (8oz)</strong> | Diameter: <strong>10 cm (both)</strong> | Height: <strong>7 cm (4oz), 9 cm (8oz)</strong> </p>