Corning® 1003. Exceptional strength and stability. Brilliant transparency. Superior resistance to chemicals contaminants and drastic changes in temperature. These are among the key properties that enable Pyrex® glass to endure even the toughest laboratory environments making it the indispensable partner for education and research for over 100 years. With spout and approximate graduations. Designed with uniformity of heavy walls and bottom plus rugged construction of the rim to withstand impacts and reduce breakage. Includes double-graduated metric scale. 1 000 mL.