TN Lab Heavy-Wall Conical Borosilicate 3.3 Glass 250ml & 500ml Filter Flask SET of 2 Flasks.
Also known as vacuum flasks or Büchner flasks, they have heavier walls than a standard conical flask to endure effects of vacuum filtration.
Side arm allows for flexible hosing to connect to a vacuum pump.
During filtration, the filtrate enters and is held in the flask while the sample or residue remains on the filter paper in the funnel.
Can also be used as a vacuum trap in a vacuum line.
Highly leach resistant to most chemicals.
Manufactured to ISO: 9001 Standards.
This is a set of two filtering flasks: a 250ml and a 500ml flask