1,For the inflatable life vest /jacket 2,For the cooler machine 3,customized /special product

Diameter:25.4mmLength :138mm Thread :1/2-20UNF Approx Weight :135g Minium Water Capacity : 45ccFilled Gas :CO2Mass CO2: 33 ± 1 g CO2 Purity :≥99.5% H2O≤0.5% Burst Pressure of Cylinder ≥540kgf /cm2