Single head, dry running diaphragm pump for a wide range of laboratory applications. It pumps, compresses and evacuates without affecting media, i.e. media remains uncontaminated. Includes diaphragm with patented tension optimisation, which allows the pump size to be smaller and extends the service life of the diaphragm. 100% oil-free pumping, so media is not contaminated when pumping, evacuating or compressing For neutral to mildly aggressive gases and vapours Maintenance-free, quiet running