12mm PTFE Stem Only
Replacement 12mm and 20mm Chem-Cap® stem and control knob for Chemglass cylindrical and spherical vessels. PTFE stem is sold complete with Perfluoro or Viton o-rings installed under each Chem-Cap® and one installed as the back up o-ring.
Manufacturer: Chemglass Life Sciences
Catalog ID: CG-511-45
Stock: Out of Stock