2Pcs 14MM male to double 14 MM female, 4 Pcs 14MM transparent glass funnel adapter convert glass adapter 3-way adapter straight adapter distillation adapterMaterial: the glass tube adapter are made of glass,Easy to use and cleanWide Application : It is a perfect choice for home laboratory, school, factory etc. you also can use it yourself, or give it as a gift for your friends and family.Colour:As shownMaterial:GlassPackage Contents:2 x 14MM male to double 14 MM female,4 x 14MM transparent glass funnel adapterOnly the above package content, other products are not included.Note: Light reflection 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.