Size: 33.5 x 11 x 11cm Hand Operated Dual Purpose Air Pump Suitable for pumping and exhausing, the highest vacuum 50cm Hg, and the highest pressure 4 atm.Used for various kinds of pressure and vacuum experiments.
Vacuum and pressure pump--physical instrument
| Brand Name | QINGHUA |
| Model Number | QH103 |
| Place of Origin | Zhejiang, China |
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