Phi Syn 68 is Semi Synthetic ISO 68 air compressor oil – a high-quality hydrocarbon-based lubricant engineered to deliver dependable protection, extended fluid life, and consistent compressor performance. Made with premium base oils, this semi synthetic formula is designed to help reduce wear, support efficient operation, and keep your equipment running reliably.

Formulated for versatility, this ISO 68 compressor oil is suitable for both rotary screw, rotary vane, and reciprocating air compressors, making it an excellent choice for a wide range of industrial and portable applications. It performs especially well in dusty or dirty environments where more frequent oil changes are necessary to maintain peak equipment condition.

With up to 4,000 hours of service life at temperatures up to 200°F, Phi Syn 68 helps minimize downtime and maintenance costs while promoting smooth, efficient compressor operation. Its balanced viscosity makes it a trusted solution for portable compressors operating in demanding job site conditions.

Key Benefits

• Up to 4,000 hours of service life at 200°F
• ISO 68 viscosity for reliable, efficient lubrication
• Semi synthetic hydrocarbon-based formulation
• Suitable for rotary screw, rotary vane and reciprocating compressors
• Equivalent to many OEM semi-synthetic ISO 68 air compressor lubricants
• Ideal for dusty, dirty, or high-contaminant environments
• Excellent choice for portable air compressors
• Helps reduce maintenance and operational downtime
• Compatible with rotary screw and reciprocating compressors using ISO 68 lubricants similar to Klüber Summit PS 200

If you’re unsure whether this is the right replacement oil, you can quickly verify compatibility using our
compressor lubricant cross reference tool.
For additional guidance, explore our
cross reference guide
or review the
oil equivalent chart
to compare compatible options.