The Quincy Syn Plus 144046-005 Replacement compressor oil is a full synthetic 8,000 hour compressor oil. Air Compressor Services replacement product is blended with the highest quality synthetic base stock and additive package allowing us to guarantee equivalent performance to the Quincy branded compressor oil. The compressor oil is a blend of PAO base stocks and additives that are specifically designed to perform in adverse conditions without reducing the life of the compressor oil. Our 144046-005 replacement compressor oil has a low pour point, high viscosity index and excellent water separation characteristics. In addition to the highest performance guarantee, we offer a free oil analysis program that is included in the purchase of our oil. Call to speak to one of our knowledgeable sales engineers to get enrolled in our analysis program.