Specification Color: Transparent Material: Glass Top Joint: 24/40 Bottom Joint: 34/45 Total Size: 33x110mm / 1.3x4.33; (OD*L) Package List: 1 x Glass Reducing Connecting Adapter Advantages Made of thick glass material, it is corrosion-resistant, The uniform wall thickness makes it better for chemical experiments and ensures a tight and secure connection between glassware, preventing leaks or spills during experiments. Advantages: Made of thick borosilicate glass material, it is corrosion-resistant, high hardness, high temperature resistant, low expansion coefficient. 3 way Lab Glass Connecting Distilling Adapter,24/40 joint, 75 bend... The glass-reducing connecting adapter is essential in laboratories and industrial settings where compatibility between glassware with different joint sizes is required for efficient and safe experimental procedures. Instruction: Size Compatibility: Allows for connecting glassware with different joint sizes, such as reducing from a larger joint to a smaller joint. JRLGD Borosilicate Glass Straight Connecting Adapter,70mm from 24/40 PATIKIL Boosilicate Glass Educing Connecting Adapte, 1 Pcs Notice: Please make sure that the dimensions of your two device joints match the top Joint and bottom joint of the product before purchasing. Tools For Makng Pottery - best tools Material: Glass; Top Joint: 24/40; Bottom Joint: 34/45; Total Size: 33x110mm / 1.3x4.33 (OD*L); Package List: 1 x Glass Reducing Connecting Adapter