Chromatography column needle key P-0 PKB-004. Measurements 20x400 mm

Material: Borosilicate glass 3.3
Interior diameter: 20 mm
Useful height for filling: 400 mm
Capacity: 125 ml
19/26 ground joint
Teflon Rotaflow cock (needle valve) for better flow control
Sintered glass disc - 0 porosity