Nuprol Red Gas 3.0 1L Bottle 10.5oz Gas for Airsoft Guns 300g (1L) Bottle of WE's Red Nuprol 3.0 gas It provides outstanding efficiency and power even at low temperatures Execptional Trajectory Control Constant Pressure Stablisation - Non Hazardous CFC Free Formula COMES WITH FREE BULLDOG AIRSOFT SPEED LOADER