1. This CO2 Refill Kit station offers a fill and bleed valve and extra long hose.
2. The dual valves allow you to fill with one and dump excess CO2 with the bleed valve.
3. The two valves will save you from turning your tank on and off every time.
4. CO2 Refill Kit can refill all types of CO2 tanks, including paintball tanks, as long as they are CGA-320 compatible