Bent tube and fermentation tube brush. Brush part 1-1/8 inch long, 7/8 inch diameter.
Made of white Tynex nylon twisted into galvanized wire. Brush part is attached to a flexible spring wire 20 inches long which will follow the various bends of any tube and revert to a straight position when withdrawn.
Fan style tip.
Forensics Lab Supply Number 3070121.
Formerly Grau-Hall Corporation dba Grau-Hall Scientific.