Description: 24\/29 Joint Straight Drying Glass Tube Adapter Glassware Specification: Material: Borosilicate glass Size:as the picture show Joint: 24\/29 Best used for glass ware in laboratory Features: 1.It is a low expansion, high temperature, high strength, high hardness, high light transmittance and high chemical stability. 2.It can be widely used in chemical, aerospace, military, homes, hospitals, etc. Package Included: 1x Glass Tube More Details: