Pyrex Laboratory Glass Bottle And Standard Taper Ground Glass Stopper 8-Inch | eBay
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GSC International 4007-GS-CS Ground Glass Stopper, Case of 100 – GSC Go Science Crazy
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Test tube with ground glass stopper, 50 ml | Test tubes | Test tubes and sample tubes | Laboratory Glass, Vessels, Consumables | Labware | Carl Roth - International
2-pack standard taper ground-glass stoppers
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BRAND GROUND GLASS STOPPER BIS | BR144630-1EA | MERCK THIRD PARTY | SLS Ireland