Gravis Graduated Medium Round Bottles, Vacuum and Ionized, 500 mL The Gravis Graduated Medium Round Bottles are made from clear soda lime glass and feature wide mouths for easy filling and cleaning. These bottles come with vacuum ionized black polyethylene caps, providing secure sealing and chemical resistance, making them suitable for various laboratory storage and handling applications. Key Features Material: Soda lime glass for durability and chemical compatibility. Capacity: 500 mL Diameter: 35mm Height: 155mm Color: Clear glass with black polyethylene caps. Mouth: Wide mouth design for convenient access. Height: Approximately 155 mm. Pack Size: 33 bottles per pack. Product Code: 11773783 Applications Storage and handling of liquids and samples in laboratory environments. Suitable for use in chemical, biological, and general laboratory workflows. Ideal for applications requiring secure sealing and easy access.