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 |