... air condition,refrigerator,central air-condition.R-134a has been widly used as refrigerant in car ,super-market freezer,reach-in ... -coolers,display cases, auto air-conditions,refrigerators,cenrel air conditions,commercial refrigeration,and also been ... ,No turbidGWP0.29OdorNo strange stenchLiquid Density,g/cm31.207 commercial refrigerator compressor r134a