Double Vacuum/Gas Manifold with Metering Valves
An all-glass manifold for connecting inert gas and vacuum sources to sidearm stopcocks. Each stopcock has a metering groove cut into the plug to provide fine control of vacuum and inert gases. Distance between stopcocks is 65mm for the 3 position size and 100mm for the 5 position size. Supplied with patented pressure/vacuum retainers.