Every Helite garment comes with one canister pre-installed. Get extras right here! After a deployment, your airbag will automatically deflate and be ready to be re-armed with the installation of a new c02 canister.

60cc canister is used on the Virus Power Suits
60cc canister fits Helite Adult Small through Adult regular XL Jackets
100cc canister fits Helite Adult L-L and XL-L jackets only

Helite Adventure Touring jackets S-4XL take a 60cc CO2 canister, and 5XL-6XL sizes use a 100CC Canister. 

The Helite leather jacket in sizes Small-2XL use a 60CC, and the 3XL-6XL take a 100CC canister.