Refrigerant R22(HCFC-22) is a colorless gas at 1 room temperature, 2 colorless, ... transparent 4 non-toxic, non-flammable refrigerant gasFeatures:1) Chlorodifluoromethane (HCFC-22) is a colorless gas at room temperature,and colorless, transparent ... ,000kg, 800L/800kg, 400L/400kgDisposable steel cylinder: 70L/40kg, 50L/22.7kg, 30L/13.6kg, 20L/12kg, 15L/10kg Refrigerant R22