This laboratory glassware 45/50 joint 3-way adapter with a 35/20 socket connector is a high-quality product made of borosilicate glass. It is manufactured in the United States and intended for use in various laboratory disciplines such as physical laboratory, dental laboratory, microbiological laboratory, medical laboratory, and biological laboratory. The adapter is a reducing adapter with a taper of 45/50 and a unit quantity of 1. It is perfect for those looking for a reliable and durable laboratory glassware product. Additional search terms for this item include surplus laboratory bench supplies glassware chemistry.