White Rubber Stopper Bungs Laboratory Solid Hole Stopper Tapered Flask 15 Sizes

Can be used for test tube, flask stopper or other bottles. Material: Rubber. 000#:Top Dia: 13mm,Bottom Dia:9mm ,Height:17mm. 00#:Top Dia: 15mm,Bottom Dia:11mm ,Height:21mm. 0#:Top Dia: 17mm,Bottom Dia:13mm ,Height:24mm.

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