Identical in construction to the BOD bottle brush, B-901. With plastic handle. Bristles are held by twisted wire which is mounted on a plastic handle. Brush part is curved and handle is offset to allow you to reach all parts of a volumetric flask.
Lab Supplies
B-920, Flask Brush for 200 and 250 ml Volumetric Flasks
Price range: $8.65 through $90.35