With the ISOPRO, MSR introduces a high-efficiency gas cartridge, offering reliable and clean combustion.

The mixture of 80% isobutane and 20% propane ensures excellent performance, even in cold weather, as well as a constant and homogeneous flow rate over the life of the model.

Perfectly adaptable to the Reactor and WindBurner stove systems, the 227 gram ISOPRO gas cartridge has already won over hikers and trekkers all over the world. What about you?