Glass Stoppers, Penny-Head, Solid

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About this item Compatibility: designed for outer (female) ground-glass joints; intended for use as a solid plug in standard taper laboratory glassware (sold as 1-pack) Seal perfor mance: provides a tight, spill-resistant seal for liquids and gases on properly matched ground-glass joints; minimizes leakage during routine manipulations and transfers Material: made from borosilicate glass for chemical resistance and optical clarity; inert to common laboratory reagents and suitable for repeated thermal cycling in normal lab use Available sizes: supplied in 14/20, 19/22, and 24/40 standard taper sizes to fit common joint diameters and depths; confirm joint designation before ordering Show more