The Duran group dispenser makes measuring liquids directly from Duran laboratory glass bottles easier and safer. The Duran group can be controlled directly on the dispenser bottle thread screwed on. Bring you the volume can be set via the dispenser and movement of the high precision Kolbens. The smooth Cylinder it can be used one handed and effortless Series doses. The dispenser is can be rotated through 360 °. As the thread of the Duran laboratory glass bottles and the Duran group dispenser optimally consoles, computers, cell phones, we recommend the use together as a complete system. Thanks to the supplied adapter (TL 28, GL 32/GL 38, S 40) the dispenser can also be used for other thread sizes. Note: This Product Only installed high-quality plastic. On the cylinder wall PFA sealant helps to prevent crystal formation and a lightweight Kristallisierenden Media, meaning that it’s a treat when set Kolbens is not permitted.