... CLEAR,ODORLESS HIGH PURITY EXCELLENT THERMAL AND CHEMICAL PROPERTIES FREON GAS R22 HONEYWELL, DAIKAIN, JUHUA, DUPONT, HARP, FORNE BRANDS AVAILABLE. Physical ... and clear ,Odor Odorless Application Chlorodifluoromethane (HCFC-22),a colorless gas at room temperature,is a colorless ,non - toxic,non-flammable ... cylinder:400L,800L,926L,1000LISO-TANK 13.6kg (30lbs) Refrigerant Gas R22,high purity 99.9%