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| Length (mm) | Ground | Ground Neck (NS) |
| 300 | Upper and Lower Neck | 29/32 - 29/32 |
| 300 | Lower Neck | 29/32 |
| 300 | None | - |
| 400 | Upper and Lower Neck | 29/32 - 29/32 |
| 400 | Lower Neck | 29/32 |
| 400 | None | - |
Manufactured from heat resistant, durable borosilicate glass according to DIN/ISO standards. Featured with glass side arms fitting 8-9 mm bore size tubings. Thick wall and reinforced rim prevent breakage during washing and transportation.
| Length (mm) | Ground | Ground Neck (NS) |
| 300 | Upper and Lower Neck | 29/32 - 29/32 |
| 300 | Lower Neck | 29/32 |
| 300 | None | - |
| 400 | Upper and Lower Neck | 29/32 - 29/32 |
| 400 | Lower Neck | 29/32 |
| 400 | None | - |
We produce or supply curriculum solutions for mathematics, physics, chemistry, biology, environmental and earth science.
Do you need more information? Please call or text us. We are ready to help you with anything you need.
