10ml Oil-Water Separator Graduated Borosilicate Glass PTFE or Glass Valve

Borosilicate Glass Soxhlet Extractor Kit 60-1000ml Lab Extraction Glassware Set. Lab Glass Stopper - Flask Plug Hollow Stoppers – Multiple Sizes Borosilicate. Glass Syringe 1ml–100ml Lab Injector | Borosilicate Sampler Chemistry.

eBay