Patinas for Metal Artists
Barometric Pressure and Humidity
Photo Processes and Formulas
Science Experiments
Laboratory Procedures
Biodiesel Processing
This test tube brush is 7.5 inches long. The brushes are 3 inches long by 1/2 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.
Wash Bottle, LDPE, 1000ml Cat. No. - NC-9097 $8.20
Student Poly Graduated Cylinder Set 10-25-50-100ml Cat. No. - Z0016 $12.95
4 oz. Amber Dropper Bottle Cat. No. - NC-10341 $3.25
Test Tube Brush, 9 inches Cat. No. - NC-1645 $1.85