Types of Oils and Lubricants
Shell Refrigeration Oil S4 FR-F
Advanced Synthetic Refrigerator Compressor Lubricant: 
- Reliable performance
- Compatible with most standard refrigerants

Shell Refrigeration Oil S4 FR-F is a synthetic refrigeration lubricant with a polyol
ester base fluid. It has been developed for use with R134a and other HFC
refrigerants.
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