Ace Glass 8737-20 Double Tube Vacuum Manifold 710mm Long (4) Stopcock Ports with 14/20 Inner Joints

Double tube vacuum manifold with #15 o-ring joints at both ends. In a 4 port configuration with 4mm bore glass double oblique stopcocks. The distance between ports is 210mm which allows for use of flasks up to 3 Liters.