Refrigerant R421A is a versatile, non-ozone depleting replacement for R22. Compatible with Mineral, AB, and POE oils, R421A is suitable for a wide range of applications including air conditioning, as well as medium and high temperature residential, commercial, and industrial refrigeration systems.
When you purchase from A-HVAC, you can be confident you're receiving brand new, 100% virgin refrigerant that meets or exceeds ARI-700 standards.