Patinas for Metal Artists
Barometric Pressure and Humidity
Photo Processes and Formulas
Science Experiments
Laboratory Procedures
Biodiesel Processing
This bottle brush is 11.5 inches long. The brushes are 5 inches long by 2 inches in diameter with black nylon bristles. Twisted wire handle with hanging loop.
The bottle brush is used to easily clean the inside of lab bottles, beakers, and flasks.
Test Tube Brush, 7.5 inches Cat. No. - NC-0149 $1.50
Test Tube Brush, 9 inches Cat. No. - NC-1645 $1.85
Test Tube and Bottle Brush, 10.5 inches Cat. No. - NC-0146 $2.10
HM Digital Waterproof pH Meter, PH-200 Cat. No. - NC-11100 $79.95