R22 refrigerant, foaming agent one-off cylinders 30b/13.6kg,50b/22. ... ,ISOtank.Delivery:According to the quantity of the order SpecificationsR22 refrigerant, foaming agent one-off cylinders 30b/13.6kg,50b/22 ... .01 Usage:used in reciprocating compressor, as refrigerant in industrial, commercial and household air-condition system; also used to produce insecticide and ...