About this item

• Pressure-Equalizing Design: enables controlled solution addition in closed systems preventing air intrusion and solvent evaporation for accurate reaction conditions
• Borosilicate Glass Construction: made of durable chemical-resistant borosilicate glass suitable for a wide range of laboratory reagents
• Precise Volume Measurement: available in 50 ml 100 ml and 500 ml capacities with clear graduation marks for accurate solution delivery
• Standard Ground Glass Joints: equipped with 24/40 top and bottom joints for secure connections with common lab glassware
• PTFE Stopcock Control: cylindrical body with a PTFE stopcock allows smooth drip-wise addition and precise flow control during reactions