Top joint is outer, stopcock is pressure/vacuum.
Top joint is inner, stopcock is pressure/vacuum.
14/20 outer joints have a 0-3 mm value and 24/40 joints have a 0-5 mm value.
14/20 inner joints have a 0-3 mm value and 24/40 joints have a 0-5 mm value.
Tube has a Hi-Vac valve to control flow. The 25 ml and 50 ml tubes have 0-3 mm valves, and the 100 ml and 250 ml tubes have 0-5 mm valves.
With 14/20 inner joints and medium porosity fitted disk.
With 14/20 outer joints and medium porosity fitted disk.
