Description General description 150 mL beaker, with spout, manufactured with uniform wall thickness, offers optimum balance between thermal shock resistance and mechanical strength. All sizes have an extra large marking spot. Low Form (Corning 1000 series) Griffin beakers have the following features: • Graduated for approximate content • Double-graduated metric scale • Beakers have a spout • Extra-large area for marking • Uniform wall thickness • Heavy duty, industrial grade glass beakers Legal Information Corning is a registered trademark of Corning, Inc. PYREX is a registered trademark of Corning, Inc.