Altmann Analytik UltraClean Closure: 20 mm Combination Seal: Aluminum Cap, Clear lacquered, complete tear off, Silicone transparent blue/PTFE White,

Temperature resistant from -60°C up to 200°C. Clean/Ultra Clean liners for sensitive analyses. White/beige liner corresponds to Agilent HT liner. Completely laminated with PTFE. Soft liners for easy penetration. This product is an alternative to the product of the brand VWR: 548-0586