About this item

• Vacuum & Inert Gas Applications: designed for vacuum evacuation and inert gas filling, supporting laboratory procedures involving air- and moisture-sensitive compounds
• Standard Ground Joint: equipped with a 24/40 inner ground joint for compatibility with common laboratory glassware; 50 ml capacity, supplied as 1 piece per pack
• Round-Bottom Design with Side Glass Stopcock: features a round-bottom reaction tube with a side glass stopcock for flow control; compatible with tubing having an inner diameter of 6-9 mm
• Borosilicate 3.3 Glass Construction: manufactured from borosilicate 3.3 glass with low thermal expansion, excellent transparency, and clear visibility throughout experimental procedures
• Storage & Maintenance: when the glass stopcock is not used for extended periods, place a paper strip between the ground surfaces to help prevent sticking and ensure smooth operation