Safety: D.O.T. and TC Approved
Tank: CO2 Aluminium
Air Valve Threads: Universal
Compatibility: Mechanical Guns ONLY
Standard 20OZ CO2 Tank. 
Features:
- 20 Ounce Capacity
 - Lightweight DOT and TC certified aluminum cylinders Made in the USA
 - Repeater Style Pin Valve
 - Five-year retest cycle.
 - All components meet or exceed all ASTM, DOT, TC or CGA standards or requirements