Polystopper for Volumteric Flask 12/21
12/21 stopper for 49FV50
12/21 = 12mm diameter at the top of the tapered cone and 21mm is the height of the tapered cone. The octagonal top is excluded from these measurements.
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12/21 stopper for 49FV50
12/21 = 12mm diameter at the top of the tapered cone and 21mm is the height of the tapered cone. The octagonal top is excluded from these measurements.