IsoPro 227g from MSR is a premium fuel - an 80/20 blend of isobutane and propane - which enhances the performance of fuel stoves. It is superior to all standard butane/propane blends and it burns without residue, which reduces soot and clogging.
Better performance: a 80/20 blend of isobutane and propane provides higher performance over the lifespan of the canister and in colder temperatures.
Environmentally friendly combustion: an optimal fuel blend that reduces soot and clogging. - Recyclable: the canister is recyclable. Ask the recycling centre about regulations in force.