Ensure complete sample transfer in your laboratory with these disposable polypropylene weighing funnels that are designed to fit in volumetric flasks. One side of the funnel is flattened so you can set the funnel flat on a balance.
Small size fits volumetric flask volumes (mL) of 5, 10, 15, and 20.
Medium size fits volumetric flask volumes (mL) of 100, 200, 250.
Large size fits volumetric flask volumes (mL) of 500, 1000.
X-Large size fits volumetric flask volumes (mL) of 1000, 2000.