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

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. Size: 15 sizes(Shown as picture). 000#:Top Dia: 13mm,Bottom Dia:8mm ,Height:17mm.

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