Mark-M™ Disposable Culture Tubes with Marking Spot
Kimble Mark-M™ glass culture tubes feature a permanent vertical ceramic label fused to the glass, which is easily written on with marker or pencil.
- Borosilicate glass tubes have excellent chemical resistance against sodium leaching
- Permanent ceramic 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
- Manufactured from 51 expansion borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class B requirements