Engineered for precision and durability in heavy-duty environments, the Graco 110203 Model 307 Air-Operated Double Diaphragm Pump is a premier fluid handling solution. This 3/8 inch (9.52 mm) positive displacement pump features a robust aluminum body and high-performance Hytrel diaphragms, making it ideal for the transfer of oil and anti-freeze in vehicle service applications. With a maximum flow rate of 7 gpm (26.5 lpm) and a maximum fluid pressure of 100 psi (7 bar), it ensures efficient delivery even under demanding conditions. The air motor is designed for low air consumption and quiet operation, while the bolt-through fluid cover design eliminates leaks and increases safety. Its compact, versatile footprint allows for easy installation in tight spaces or on portable carts. Trust the Graco 110203 for reliable, clog-free performance and long service life. This industrial-grade pump is the standard for technicians seeking a rugged, low-maintenance diaphragm pump for consistent fluid management and oil evacuation tasks.