This is a practical size 20 Oz CO2 tank which can be used to charge your coolfire system for approx. 2.500 shots!
Due to transport restrictions, it ships empty, and can be filled at many paintball or sporting goods store, or suppliers of CO2 gas.
A temperature strip is included to indicate the temperature of the tank. For best performance of the CoolFire system, keep the tank at approx. 80-85 degF. (about 26-30c).
You will need a Paintball charging adaptor or a charging station to use this tank with your cool fire system.