MSR IsoPro gas cartridge contains a performance-enhancing 80/20 blend of isobutane and propane, with the purest isobutane (5 % or less n-butane) of all canister fuels.

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.

Features:
• Superior Performance: 80/20 blend of isobutane and propane delivers superior cold-weather performance and more consistent output over the life of the canister
• Clean-Burning: Zero-maintenance combustion
• Fuel Gauge: Built-in float gauge determines how much fuel is left

Sizes: Cartridge size in gram.

Information on EU Regulation GPSR 

Name of the manufacturer: Cascade Designs Inc.
Postal address of the manufacturer: 11500 Production Drive, Reno 89506, Nevada, USA
Electronic address of the manufacturer: customerservice@cascadedesigns.ie

Importer's name: Cascade Designs Ltd.
Importer's postal address: Dwyer Road, Midleton, Co. Cork, P25 H582, Ireland
Importer's electronic address: customerservice@cascadedesigns.ie