Mobil Rarus 427 is a highly refined mineral based compressor lubricant. Rarus is a line of Mobil Lubricants that are specifically designed for Compressors, Vacuum Pumps and Blowers. The 400 series are compressor oils formulated with high quality mineral base-oils and a high performance ashless additive system designed to provide exceptional equipment protection and reliability for compressors operating under mild to severe conditions. 27 represents the thickness of the oil which is an International Standards Organization Viscosity Grade (ISO VG) 100.
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