Silica Gel Stopper for Test Tube

Stopper Dia.mm               Capacity(ml)

       7-11                               9×75
       8-12                             10×75
       9-13                             12×100
      12-14                            13×100
      13-15                            14×150
      14-16                            15×150
      14-17                            16×150
      17-19                            18×180
      16-23                            19×180
      18-23                            20×200
      22-26                            25×250
      24-28                            26×250
      26-29                            30×300
      27-31                            32×300