Features:
Glass test tube replacement:
Plastic test tubes are more practical than glass in use, taking into account both safety and economy.
Widely applied:
Nice for aquarium water quality test, test hardness, carbonate, nitrate, nitrite, PH and more. Also for scientific experiment, classroom, lab.
Specifications:
Material: plastic
Color: transparent and blue
Size: 3.54 inches
Package includes:
12 X 10ml test tubes
Notes:
Manual measurement, please allow slight errors on size.
The color may exist a slight difference due to different screen displays.