The OTR Low Viscosity PAG 46 Oil & Lubricant is designed to provide superior protection and performance in automotive air conditioning systems. This oil has a low moisture absorption rate, which leads to more excellent system stability and improved compressor life. It has an exceptional viscosity index, which ensures efficient running at temperature extremes. It also exceeds OEM specifications for use in R-134a and R-1234yf systems. This oil is compatible with all metals, plastics and elastomers used in automotive air conditioning systems, making it an ideal choice for any vehicle. FleetPride is your First Click in Heavy Duty®.