CHEMVAC™ is a vacuum membrane pump designed to handle most of the vacuum applications – it can be used with gel drying, vacuum concentrators, vacuum ovens and distillation. It is a compact, light and diaphragm vacuum pump. Oil free, PTFE diaphragm, for very high resistance against corrosion. Always ensure to draw in clean air by keeping running the pump for at least 2 minutes after the operation ends to prolong the pump’s lifetime.