The Innova 40 incubated and 40R incubated and refrigerated benchtop shakers provide years of dependable operation. The cast iron New Brunswick triple-eccentric counterbalanced drive is specifically designed to support high-speed applications and heavy workloads. Innova 40 incubated shakers provide very broad temperature capabilities for culturing a wide variety of organisms in flasks up to 3 liters. Refrigeration module is built into the Innova 40R. Features Exceptionally quiet operation provides a favorable work environment Triple-eccentric counterbalanced drive in cast iron housing provides vibration and trouble free operation for years Compact benchtop model fits easily on the bench and holds flasks up to 3 L