Manifold, High Vacuum Solid Glass Stopcock, Front-Left-Right & Rear-Left-Right

With 4mm double oblique, high vacuum solid glass stopcocks precision ground with corresponding numbers on barrel and plug. Solid glass stopcocks have constant pressure retention devices. Beams are 22mm O.D. with front-left-right rear and rear-left-right 10mm hose connections. Distance between stopcocks is 100mm center to center.