Product information "Manifold M35, solid glass stopcocks, double"
With 4mm double oblique, vacuum solid glass stopcocks precision ground with corresponding numbers on barrel and plug. Solid glass stopcocks have constant pressure retention devices. The smaller (17mm O.D.) front tube with hose connections on both sides is for inert gases and the larger (22mm O.D.) rear tube is for vacuum, which has a S35=35/20 cup joint on the left hand side.
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