Refrigerant gas r22 . COLORLESS AND CLEAR,ODORLESS HIGH PURITY EXCELLENT THERMAL AND CHEMICAL PROPERTIES FREON GAS R22 HONEYWELL, DAIKAIN, JUHUA, DUPONT, HARP ... and clear ,Odor Odorless Application Chlorodifluoromethane (HCFC-22),a colorless gas at room temperature,is a colorless ,non ... 6kg(30lbs),22.7kg(50lbs)Refillable cylinder:400L,800L,926L,1000LISO-TANK 13.6kg (30lbs) Refrigerant Gas R22,high ...