The compressed air cartridge is what makes your avalanche airbag an airbag. These are mandatory in order for your airbag system to actually inflate once you've deployed it.
These cartridges are compatible with the Mammut Removable Airbag System 3.0 which fits in any of our Dakine RAS packs. All of these products are available online and in store here at WWS.
*These cartridges are empty