14MM male to double 14 MM female, 2 Pcs 14MM transparent glass funnel adapter convert glass adapter 3-way adapter straight adapter distillation adapter Material: the glass tube adapter are made of glass,Easy to use and clean Wide Application : It is a perfect choice for home laboratory, school, factory etc. you also can use it yourself, or give it as a your friends and family. Colour:Transparent color Material:glass Package Contents: 1 x 14MM male to double 14 MM female, 2 x 14MM transparent glass funnel adapter Note : The glass adapter is finished by hand, there will be a small amount of impurities, which will not affect the normal use, thank you for your understandin Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.