Consisting of PTFE body with connecting nut and two lateral GL 18 threaded necks, a FEP inlet tube with a length of 300 mm and a gas distributor with finest bores. Easy in- and outlet of gas by means of hard-walled tubing (e.g. PTFE) which can be connected to the threaded necks by means of BOLA Laboratory Screw Joints. Elastic tubing can be connected by means of hose connectors. Inlet tube can be shortened individually. The special feature: the body of the adaptor can be turned independently from the connecting nut. This means, that the completely assembled adaptor can be removed and fixed on another bottle without the risk of disarranging the tubing. Suitable for bottles of company Duran Group (formerly Schott, Mainz) with GL 45 and GLS 80 thread and a volume between 100 and 5000 ml. GL 45, Gas inlet tube mm 300, Width incl. threaded necks mm 76