Lenz-Laborglas Stopcocks, Straight Bore with PTFE Plug, NS 18,8 Bore mm 4

The Lenz-Laborglas Straight-Bore Stopcock NS 18.8 with a 4 mm bore is precision-engineered from DURAN® borosilicate glass 3.3 and fitted with a PTFE plug for outstanding chemical resistance and smooth operation. This stopcock includes a retaining device for enhanced safety and is ideal for laboratory use in flow control, vacuum systems, and distillation setups.

Key Features:

• Brand: Lenz-Laborglas
• Ground Joint Size: NS 18.8
• Bore Diameter: 4 mm
• Material: DURAN® (borosilicate glass 3.3)
• Stopcock Plug: PTFE key for chemical-resistant, durable sealing
• Design: Straight-bore configuration with retaining device
• Application: Suitable for distillation, filtration, vacuum systems and precise fluid regulation in laboratory setups

The Lenz-Laborglas Straight-Bore Stopcock with PTFE Plug offers premium material quality, reliable flow control and long-term durability—ideal for demanding laboratory and analytical applications.