25 mm Vacuum Unit, Glass Support, 300 mL

Filter small volumes  3 funnel sizes available Sintered Glass or Stainless Steel support Borosilicate glass filter holder assemblies for the microanalysis of small volumes of liquids for biological or particulate contamination under vacuum. The holder utilizes a 25mm filter membrane. The anodized aluminum clamp secures the membrane between the funnel and base. While the sintered glass frit support base can be used for general filtration, the 304 stainless steel screen(w/ PTFE gasket) is recommended for viscous or proteinaceous solutions to maximize flow rate and the screen ensures particles will not be shed into the filtrate. Available in three graduated funnel capacities 15, 150, or 300 mL. The No.5 silicone stopper mounts in a standard 125mL vacuum filter flask.  Unit includes: Funnel, Base/Support(gasket w/ screen), Clamp, Stopper Please Note: ALL Advantec items have a maximum 48 hour cancellation window. Any cancellations AFTER the 48 hour window will incur a restocking fee equal to the cost of the product.