... of * Liquid Filling R134a, R404A, R406A, R407C, R410A, R22 refrigerant, etc. * Germany VIS flow sensor to obtain accurate measurement * ... alternative to the booster pump for the provision of efficient refrigerant supply * A number of patented technologies filling guns, durable ... improve the quality and production efficiency Power: 1KW Filling refrigerant: R134a R407c R404A R410A R22 Working pressure: 1. ...