Freon R404A Refrigerant HD 1,1,1,2-tetrafluoroethane 4%
Automotive service technicians depend on Freon™ 134a (R-134a) refrigerant, a non-ozone depleting hydrofluorocarbon (HFC) replacement for R-12.
Since fluorochemical refrigerants were introduced to the market more than 85 years ago, the Freon™ brand has been developing and evolving the chemistry behind them. Among those products is Freon™ MO99™ (R-438A), a retrofit refrigerant