50mL Storage Vessel, #15 O-Ring Joint, Airfree, Schlenk, 0-4mm Valve, 190mm OAH. Storage vessel with a #15 o-ring joint on the sidearm and a Chem-Vac™ Chem-Cap valve to control gas or liquid flow into the vessel. Vessels are constructed of medium wall tubing and are used with AF-0060 and AF-0061 manifolds or any other Airfree component with a #15 o-ring joint. Supplied complete with one #116 Viton o-ring.