Compresyn 545 Series Compressor and Vacuum Pump fluids are our premium, patented lubricants (Patent # US8, 183, 188 B2) for use in a variety of air compressor and vacuum pump equipment and critical applications. Critical performance features include low fluid volatility, enhanced water demulsibility, superior hydrolytic stability, improved sealing effect, reduced friction, enhanced wear protection, and superior fluid dispersing characteristics to eliminate sludging and deposit-forming tendencies. Compresyn 545 Series Compressor and Vacuum Pump oils are fully compliant with 21 CFR 178.3570 and meets the requirements of USDA/NSF H1 (Lubricants with Incidental Food Contact).