Refrigerant R438a, MO99

R-438A (commonly branded as Freon™ MO99™) is a non-ozone depleting, zeotropic HFC blend designed as a direct "drop-in" replacement for R-22 in existing air conditioning and refrigeration systems. It is compatible with all lubricants (mineral, POE, and alkylbenzene), allowing for easy retrofitting without requiring oil changes.