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| Protective collars, EPDM. For filter flasks. Special design centres the funnel and flask and provides stable support for funnels, filters and manifolds placed on them. A clean seal is made between the flask rim and container placed on it. Application of the vacuum provides a tight seal. Also provides all-round protection for glass filter flask rims, significantly reducing impact damage and extending working life. Product Specification: Diam.: 33 mm Height: 15 mm For bottles: 250, 500 ml | |
| Catalogue Number | 9.052 392 |
| Manufacturer | Cetec |
| Manufacturer P/n | SFS2 |
| Carl Roth Ref | E350.1 |
| Fisher Ref | 9052392 |
| VWR Ref | 519-4502 |
| Carl Roth: | E350.1 |
| Thermo Fisher: | 9052392 |
| VWR: | 519-4502 |