Attention: Please pay attention to the thread size of the gas cylinder before purchasing. We offer cylinders with 5/8 - inch threads. ( d≈15.2mm)
Inflatable vests of the same brand may be available in different thread sizes. We recommend measuring them with a ruler prior to purchasing
Include: 1 X CO2 cylinder with 5/8-inch thread（38g）
Safe inflatable vest, the perfect replacement for carbon dioxide cylinders that have been used
Adequate gas ensures the expansion degree of the safety vest, maximizing the buffering effect