Chemglass, CG-511-11, 20mm PTFE Stem and Control Knob
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.
We aim to show you accurate product information. Here you will find what the manufacturers have provided us with. See our disclaimer.
We offer volume discounts for large orders.
We ship all around the world. Our staff is experienced in export orders and worldwide shipping.
We also offer special prices for our regular customers.
We have fast and friendly customer services. We care about your needs and will do our best to ensure your inquiries are taken care of.
We offer competitive prices on loads of products from leading manufacturers.
* Free Ground Shipping within the continental U.S. only (excludes Alaska, Hawaii, PO Boxes and APO/FPO addresses).
Note: Please read description carefully. Do not base your order on the picture presented.
