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| Material | Inner Diameter (mm) | Outside Diameter (mm) | Filter Paper (mm) |
| Plastic | 70 | 73 | 70 |
| Plastic | 90 | 93 | 90 |
| Plastic | 110 | 113 | 110 |
The plastic buhner funnel is made of polypropylene material and is unbreakable, corrosion and heat resistant. It can be easily divided into two parts for easy cleaning. It can be used by connecting it to the vacuum filtering flask.
Plastic buhner funnels are molded from polypropylene for corrosion resistance, high temperature resistant. It is lightweight and stronger than glass or porcelain funnels. It can be taken apart for easy cleaning.
| Material | Inner Diameter (mm) | Outside Diameter (mm) | Filter Paper (mm) |
| Plastic | 70 | 73 | 70 |
| Plastic | 90 | 93 | 90 |
| Plastic | 110 | 113 | 110 |
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