Cap, Diameter 18 mm, Screw Closure Size 15-425 mm, Closure Material Phenolic, Product Type Screw-On Cap, Closure Color Black, Closure Liner Material PTFE Faced Rubber, Closure Type Screw-On, Autoclavable Yes, Septa Included No, Vented No, Special Features Liner Ideal For Storage and Retrieval of Volatile Solvents, Sensitive Compounds, and Corrosive Chemicals, Closure Liner Design Solid, Package Quantity 200. This item has been restricted from sale in the following state (s): []