bottles, reagent, narrow neck, NS 45/40, amber, with glass flat-head stopper, 5000 ml

With precision ground neck. All glass components, therefore also suitable for storage of aggressive media, which could attack plastic parts. Unchanged DURAN® properties within the bottle, as colouration is only on the outer surface. Very uniform, durable and chemically resistant amber colour due to use of innovative technology. Typical application: storage of liquids.