High-quality Type I borosilicate glass bottles GLS 80®, amber coloured from 500 ml – 20 l, developed for the needs of the pharmaceutical industry. DURAN® PURE Bottles are closed with a protective cover to prevent contamination. The 80 mm wide outer diameter of the bottle mouth allows easy filling and emptying of bottles. Very uniform, durable and chemically resistant amber colouring due to the use of innovative technology offers protection for light sensitive compounds. DWK Life Sciences provides CoAs with each delivery, assures 100% traceability and change control management. DURAN® PURE Bottles are available with the documentation required by regulatory authorities and meet the requirements of the international pharmacopeias.