33g Co2 Cartridge
1. For the inflatable life vest/jacket
2. For the cooler machine
3. customized/special product

Technical Description for 33g CO2 cylinder
Diameter: 25.4mm
Length: 138mm
Thread: 1/2-20UNF
Approx Weight: 135g
Minimum Water Capacity: 45cc
Filled Gas: CO2
Mass CO2: 33±1g
CO2 Purity: ≥99.5% H2O≤0.5%
Burst Pressure of Cylinder: ≥540kgf/cm2
We have two different kinds of cylinders: with thread 1/2''thread or 3/8''thread
without thread
Normally for the life jaket use, we also have different valve of cylinders for life jaket. It's automatice one and manual one.
co2 cartridge cylinder has ISO/CE/DOT/PI/MSDS CERTIFICATION

used widely in drinking water machine, red wine machine, tyre aerating toolsmaur conditioner cleaner, life jackets! 
our cylinder has three kinds.one without screw,one has 1/2" screw,one has 3/8" screw.