This Kimble Kimax Boston round narrow-mouth reservoir bottle has a borosilicate glass body, an outlet and hose connector, and graduations. This reservoir bottle has a narrow mouth for substance control and containment. The borosilicate glass body provides chemical, thermal expansion, shock, and heat resistance. Its Boston round shape is used for applications that require a rounded body, short neck, and narrow mouth to store liquid samples and solutions, and dry materials. This bottle has an outlet with an 8mm valve and quick release hose connector at the base of the bottle for dispensing liquid through 1/4"-OD flexible tubing (sold separately). It has graduations for measured dispensing and storing. The neck is finished to accommodate a standard-sized stopper (sold separately). The borosilicate glass conforms to American Society for Testing and Materials (ASTM) E 438 Type I, Class A requirements. This bottle is suitable for storing large volumes of liquid and samples.Lab bottles are used to store, hold, and mix liquids, powders, and other substances in a wide variety of scientific industries. Lab bottles have a more pronounced neck and shoulder than jars. Lab bottles are manufactured with a combination of characteristics in order to meet the demands of particular applications, such as for solution dispensing, mixing, and weighing, and use in centrifuge operations. They come in many shapes for specific applications, with a variety of mouth or nozzle shapes and sizes for specific use. Lab bottles are made from materials, such as glass (borosilicate or soda-lime) and an array of plastics, which are selected for chemical and thermal expansion resistance, transparency, and their adaptability in a variety of applications. Lab bottle interiors, caps, and lids are often lined with a protective material. Caps and lids help seal bottles to prevent solutions from spilling. The capacity refers to the fluid amount held by a lab bottle, and is commonly measured in milliliters (mL) and liters (l), and sometimes in ounces (oz). Lab bottles are suitable for use in chemistry and biology applications, as well as in pharmaceutical and scientific testing.Kimble Chase Life Science and Research Products manufactures scientific laboratory glassware under the Kimble Kimax brand. The company, founded in 2007, is headquartered in Vineland, NJ.