Mobil Rarus 425 is a premium performance ashless air compressor lubricant that is designed to meet the stringent requirements of the major compressor manufacturers. It is formulated with high quality mineral base-oils and a high performance additive system designed to provide exceptional equipment protection and reliability for compressors operating under mild to severe conditions. Features and Benefits Provides excellent wear protection and the ability to reduce maintenance costs through minimizing equipment problems and downstream deposits and carryover. Has excellent oxidation and thermal stability, which safely allows extended life capability while controlling sludge and deposit formation. Possesses outstanding anti-wear and corrosion protection, which enhances equipment life and performance. Is compatible with all applied metals in the construction of compressors and with elastomers that are compatible with mineral oils used in seals, O-rings and gaskets. Applications Mobil Rar