With Teflon® adjustable bore metering plug. Turning the adjustment knob allows flow rate to be controlled from full flow to drop wise. The metering plug completely solves the problems of sudden overflow or non-flow during addition of reagents.
- Capacity (mL): 500
- Joints：Top: 24/40 Outer, Bottom: 24/40 Inner
- PTFE Stopcock Bore (mm)：4
