- Included: 10 x Heavy Duty Borosilicate Test Tube Glass Round Bottom.
- Premium Quality: Test tubes are made of high quality, heavy duty, Borosilicate 3.3 glass.
- Autoclavable, with superior chemical durability + low temperature gradient- so it can withstand high temperatures & thermal shocks.
- Designed for use in professional laboratories but is an ideal choice for science classrooms and household use.
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