The Quincy Compressor 30W Compressor Oil is a 1-qt. container of high-quality air compressor oil designed specifically for Quincy compressors. Manufactured by Quincy Compressor, this model (112543Q100) is compatible with a range of air compressor systems and ensures smooth operation and extended lifespan of the equipment. Perfect for businesses and industrial settings requiring reliable hydraulic, pneumatic, pump, and plumbing systems, this compressor oil provides a dependable solution for maintaining optimal performance and efficiency in air compressor systems.