Z Premium Refigeration Compressor Oil, Solest lubricants are designed for standard factory fill of air conditioning and industrial refrigeration equipment. R600a (Iso-Butane) is refrigerant grade Iso-Butane used as a replacement for R12 and R134a in a variety of high temperature refrigeration applications. R600a (Iso-Butane) is a hydrocarbon that is becoming increasingly popular due to its low Global Warming Potential (GWP).
