Vacuum ApparatusManifolds Vacuum Traps Select options Manifold, Vacuum/Inert, Double Hollow Glass Stopcocks $0.10 Select options Manifold, Vacuum/Inert, Double High Vacuum valve $0.10 Select options Manifold, Vacuum/Inert, Double High Vacuum Valve $0.10 Select options Manifold, Double, Hollow Glass Stopcocks, Right Hand Side $0.10 Select options Manifold, Double, Hollow Glass Stopcocks, Left Hand Side $0.10 Select options Manifold, Double, High Vacuum Valve And 35/20 Spherical Joint $0.10 Select options Manifold, Single, High Vacuum Valves $0.10 Select options Manifold, Single, PTFE Stopcocks $0.10