Buchner Funnels with Taper Joint and Vacuum Takeoff (Perforated Glass Plate) Iron Ring ensuring vacuum pump protection and

ensuring vacuum pump protection and preventing contamination during evaporation and distillation processes

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while 250 mL funnels are equipped with a 4 mm stopcock

this device helps prevent the contents of the flask from being inadvertently drawn into the condenser in the event of bumping

Buchner Funnels with Taper Joint and Vacuum Takeoff (Perforated Glass Plate) Iron Ring ensuring vacuum pump protection andGlass Buchner Filter Funnels have a standard taper inner (male) joint with a sealed in drip tip and a side hose connection to a vacuum source. This glass Buchner filtering funnel contains a sealed in perforated glass disc rather than a fritted disc. The transparent design addresses both the contamination issues associated with fritted discs and the visibility problems inherent to porcelain Buchner funnels. Features a beaded rim to reduce chipping.