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.: 23 mm Height: 11 mm For bottles: 100 ml | |
Catalogue Number | 9.052 391 |
Manufacturer | Cetec |
Manufacturer P/n | SFS1 |