This pack of two pre-filled 90gr CO2 tanks will allow you to get your CoolFire running right out of the box. each of these small tanks can charge your CoolFire for approx..350 shots. They are not refillable, but are disposable tanks.
You will need the suitable 90Gram adaptor charger not included with your coolfire kit!
These small tanks are not recommended for use with the Rapid Fill Adapter option.