The VENTURI ejector is used to create and adjust a suction from a source of Oxygen or medical Air. It enables to suck in liquids or mucus in the absence of vacuum pipeline network. The VENTURI ejector should be connected either to a source of pressured gas on the wall using a direct probe or a rail mounting system, or to a cylinder through a pressure regulator. Square and wide vacuum gauge (48 x 48 mm) graduated from 0 to -1000 mbar for an easy reading. Maximum vacuum: -650 mbar ± 10% Suction flowrate: 25 l/min at -650 mbar Needle valve regulation knob. Anodized aluminium block ensuring a great robustness. VENTURI ejector supplied in standard with a 100 ml safety jar made of polycarbonate, autoclavable up to 134° C, with an anti-overflow system and a single-use antibacterial plastic filter up-front. Unit serial number engraved on each VENTURI ejector body ensuring its identification and its traceability.