CITGO North Star Refrigeration Oils are premium quality naphthenic oils, blended for use in refrigeration compressors. Recommended for use in refrigeration compressors and other low-temperature applications, including air conditioning systems. They are recommended for other extremely low temperature applications requiring low temperature fluidity and floc points of -50F or lower. Not recommended for use with hydrofluorocarbons (HFC) such as R-134A.
| North Star Refrigeration Oils | English |
| North Star Refrigeration Oil Grade 68 | English |
| Grade 32 | English | Spanish |
| Grade 54 | English | Spanish |
| Grade 68 | English | Spanish |
