KNF knows you'd rather work on your research than your lab equipment. We are proud to offer a complete line of diaphragm pumps and vacuum pump systems for all laboratory applications. KNF pumps provide strong flow, precise vacuum control and excellent solvent recovery. KNF liquid lab pumps enable transfer and dosing of even the most corrosive liquids quickly and accurately. Additionally, KNF's line of Rotary Evaporators are designed to impress thanks to their distinctive handling advantages, clever functional details and superior safety features.