refrigeration?
Tags: 409a, Aerosol Spray, Azeotropic Mixture, Cfc 12, Chlorodifluoromethane, Chlorofluorocarbon, Freon 12, Freon 22, Genetron, Global Warming Potential, Hfcs, Montreal Protocol, Organic Solvents, Ozone Depletion Potential, Ozone Layer, R 134a, refrigeration, Rooftop Units, Split Systems, Tetrafluoroethane, Window Air Conditioners