... versions of * Liquid Filling R407C, R410A, R22, R134a, R404A, R406A refrigerant, etc. * German precision flow sensor to obtain accurate measurement * Pneumatic ... alternative to the booster pump for the provision of efficient refrigerant supply * A number of patented technologies filling guns, durable * Optional ... ) Compressed air supply of 0.5-0.7MPa Weight 230Kg Refrigerant Charging Machine