Wheaton narrow neck reagent bottles with glass stopper, amber

Narrow neck Ground Glass Stoppered Bottles: No-drip pour lid.New designed ground glass stopper bottles feature a no-drip pour lid for clean pouring of contents. The most preferred container for storage of prepared chemicals, and stock solutions. An octagon-shaped ground glass stopper is included. The borosilicate '400' glass offers a high degree of protection from leaching, and the amber 500' glass gives extra protection to light-sensitive contents.