They are produced from natural rubber with a specially designed form that centers the funnel and flask necks in the exact center. They prevent the risk of breakage by providing circular protection around the neck of the flask. They also provide a clean area between the funnel handle and the flask neck.
Nuche Erlen Adapter
Material | Nuche Size (ml) |
Rubber | 100 |
Rubber | 250 - 500 |
Rubber | 1000 |
Rubber | 2000 |