The SEAVER gas cartridges are screwed on the SAFEFIT vests. These cartridges allow the vest to inflate in the event of a fall, thus absorbing the shock and protecting you.
The SAFEFIT vest must not be used without a gas cartridge. Only a gas cartridge adapted to your SAFEFIT vest can guarantee optimal protection in the event of the airbag mechanism being triggered.
| Size of your Safefit vest | SEAVER CO2 cartridge model |
| XS | Small cartridge 24g |
| S, M, L, XL | Large 33g cartridge |