Low-powered gas for Japanese type and plastic construction GBB guns.Provides ideal and stable power and performance without damaging guns.The oil-free version contains no oil to keep gun parts fresh, recommended for players who enjoycleaning and maintaining guns.HOW TO USEShake well before use.Hold the can upside down and press the gas nozzle into filling valve on magazine.Release the canister when gas starts to overflow.Though the power is stable, the pressure would a little differ by the temperature.