The Evaporating Recover Flask 50mL 14/20 Outer Joint Heavy Wall Chemglass CG-1512-55 is a high-quality lab equipment unit manufactured by Chemglass in the United States. This flask is designed for use in various laboratory settings, including physical, dental, medical, microbiological, and biological laboratories. With a durable heavy wall design and a 50mL capacity, this flask is perfect for collecting and recovering evaporated materials in a controlled environment. Its 14/20 outer joint ensures compatibility with a wide range of laboratory equipment, providing reliability and precision in laboratory experiments.