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PYREX® Brand Stoppers
CorningFull length stoppers, closed at bottom, with penny head Conform to ASTM Standard E 675
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Plug-Type Rubber Sleeve Stoppers
DWK Life Sciences (Kimble)Uses include outgassing NMR tubes, pressure venting or adding reactants via syringe. Hollow, plug-type stopper fits into the neck of the glassware apparatus Sleeve extension fits over the neck for a secure seal Diaphragm can be punctured with a syringe needle Series 774261 may be…
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Glass Pennyhead Stopper, Standard Taper 24/40
DWK Life Sciences (Kimble)Hollow plug type With sealed bottom and vertical penny head
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