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| Size (mm) | Material | Vacuum |
| 150 | Borosilicate 3.3 Thick Glass | Yes |
| 210 | Borosilicate 3.3 Thick Glass | Yes |
| 240 | Borosilicate 3.3 Thick Glass | Yes |
| 300 | Borosilicate 3.3 Thick Glass | Yes |
Manufactured thick, robust and heat resistant, durable borosilicate glass with a vacuum stopcock. Featured with a 2-way high vacuum stopcock enabling consistent and uniform vacuum draw and release. Vacuum stopcock can hold maximum vacuum of 1 Torr more than 24 hours. Excellent smooth grinded body and lid flanges guarantee airtight closure. Supplied with a porcelain perforated desiccator plate.
| Size (mm) | Material | Vacuum |
| 150 | Borosilicate 3.3 Thick Glass | Yes |
| 210 | Borosilicate 3.3 Thick Glass | Yes |
| 240 | Borosilicate 3.3 Thick Glass | Yes |
| 300 | Borosilicate 3.3 Thick Glass | Yes |
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