Chase brand Mark-M glass culture tubes feature a permanent ceramic label, fused to the glass, that is easily written on with marker or pencil. Labels are located 3/4″ from the open end and are available in a variety of colors. All tubes have sturdy, uniform bottoms and consistent lengths.
Features
- Mark-M tubes with Permanent marking spots
- Feature a permanent ceramic label, fused to the glass
- Easily written on with marker or pencil
- Made of soda lime glass
- Measures 12mm diameter by 75mm length
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