Glass Test Tube 18 x 150mm, bottom round
- A great valuable laboratory instrument autoclavable and re-usable
- Completely unmarked for decorative use/custom imprinting optional
- standard lab test tube
- Capacity/volume: ~30mL/1.25 fl oz
- Bottom tubes that are made borosilicate glass to reduce pH change and contaminants potentially leached from soda-lime glass.