... gas, dimethyl ether, carbon dioxide, nitrogen, oxygen, compressed air and 134a and so on. It automatically boosts and liquefies ... it in the appropriate pressure parameters and does the quantitative filling to the propellant. The propellants cover Freon, C ... gas, dimethyl ether, carbon dioxide, nitrogen, oxygen, compressed air and 134a and so on.Technical ParametersFilling Capacity 30-500mlFilling ...