Description
Lid set, PP for MF3/5/3a/5a is a polypropylene cover set designed as a compatible accessory for the MF3, MF5, MF3a and MF5a magnetic filter-holder series. The set provides a practical lid solution that protects the filtration assembly during storage or between runs and helps maintain cleanliness of the funnel and filter area. Constructed from polypropylene, the lids offer chemical resistance suitable for typical laboratory environments and vacuum-filtration workflows, including those based on Witt-type apparatus. This spare part is intended for laboratories that already operate MF-series magnetic PES filter holders and require replacement lids or additional covers for multiple stations. Supplied as a single-piece pack from manufacturer Witeg, the lid set fits the listed MF models directly. It supports organised bench work by allowing funnels to be covered when not in active use, reducing contamination risk and keeping filtration components ready for the next sample preparation or clarification step.
This article is part of Filtration accessories, in Filtration.
Key features
- Pack size: 1 pc(s)
- Material: PP (polypropylene)
- Type: Lid set
- Compatibility: MF3 / MF5 / MF3a / MF5a
- Use: Cover/protection for magnetic filter holders
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Questions about Lid kit, PP for MF3/5/3a/5a
What is this article?
Lid kit, PP for MF3/5/3a/5a is the article on this page. Luminix Health distributes Witeg for laboratory use. It sits in Filtration accessories, inside Filtration, in Lab consumables.
Filtration accessories are the holders, the gaskets, the manifolds and the flasks a membrane or a Büchner setup needs. A holder for 47 mm discs does not clamp a 25 mm disc. The gasket is what actually seals.
Filtration holds back what is larger than the pores and lets the rest through. Paper is the ordinary laboratory filter. A membrane has a stated pore size and a polymer that must survive the solvent. A syringe filter is that membrane in a housing on a syringe. Glass fibre takes a higher dirt load. Ultrafiltration holds back macromolecules and passes salts. The pore size, the chemical compatibility and the volume are the three choices. Laboratory apparatus around filtration is indexed under ISO laboratory apparatus.
Which category should I open next?
The category is Filtration. The sub-category is Filtration accessories. The catalogue is Lab consumables.
Shelves beside this one are Filter paper, Sintered glass filter plates & discs, Syringe filters, Filter cartridges & capsules, Membrane filters, Glass & quartz fibre filters, Bottle-top & vacuum filtration units, Ultrafiltration & concentrators, Extraction thimbles and Dialysis tubing & devices.
What should I check before I order?
When this page shows a safety data sheet, use that manufacturer file. Hazard text does not belong in the sales description. For a pack size, a grade or a certificate that is not on the page, send a quote request or contact the team.
How does ordering and shipping work?
Luminix Health distributes this article from the heart of Europe. Articles in stock ship within 2–5 business days. Standard delivery is free from €250 excl. VAT. Cold-chain goods and dangerous goods under ADR are never included in that free delivery. The terms are in the Shipping Policy. The full brand index is on shop by brand. Who we are is on about us.
Which other categories should I open?
The seven catalogues are Labware, Lab chemicals, Lab instruments, Lab consumables, Chromatography equipment, Lab safety equipment and Life Science & Microbiology.

