Silica Gel Stopper for Conical Flask

Stop Dia.mm                   Capacity(ml)

    18-23                              50ml
    22-26                              100ml
    24-28                              150ml
    27-31                              200ml
    30-34                              250ml, 300ml
    33-38                              500ml
    37-42                              1000ml
    40-46                              1500ml
    46-53                              2000ml
    53-68                              5000ml