Rubber Stopper Bungs Laboratory Solid Hole Stop Push-In Sealing Plug 15 Size

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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