Safe-lab® Thermometer Joint Adapters
By Bel Art Products
PTFE body with Viton® O-ring for air tight vacuum work (Size 10/18 adapter does not have a body O-ring). Adapter has a threaded polypropylene screw cap on top with an inside O-ring for depth adjustment of 6-7mm for straight stem thermometers, glass tubing and other items. Rotating the extracting nut removes the adapter from flask. Not autoclavable.