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 performance: 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