Patinas for Metal Artists
Barometric Pressure and Humidity
Photo Processes and Formulas
Science Experiments
Laboratory Procedures
Biodiesel Processing
This test tube brush is 9 inches long. The brushes are 3.25 inches long by 5/8 inches in diameter in natural colored nylon. Twisted wire handle with hanging loop.
The test tube brush is used to easily clean the inside of a test tube.
Test Tube Brush, 7.5 inches Cat. No. - NC-0149 $1.50
Test Tube and Bottle Brush, 10.5 inches Cat. No. - NC-0146 $2.10
Bottle Brush, 11.5 inches Cat. No. - NC-0147 $4.10