Description
Round filter MN 621, 11 cm is a laboratory round filter featuring an 11 cm diameter and packed in quantities of 100 pieces. The MN 621 format is suited to standard filtration procedures in research, analytical and routine laboratory environments that utilise 11 cm funnels or holders. Available from manufacturer Macherey-Nagel, each pack has a net weight of 0,15 kg and a gross weight of 0,15 kg. Packaging volume is 0,000439 m³, with dimensions of 0,04 m height, 0,11 m width and 0,11 m depth that allow compact storage. The filters are non-sterile and are not classified as dual-use items. They originate from Germany in the Nordrhein-Westfalen region. As part of the Rundfilter range, these discs are intended for gravity filtration, sample clarification and general solid-liquid separation work. The 100 pc(s) unit quantity supplies a convenient stock level for daily laboratory operations requiring reliable 11 cm round filters. All physical data, including weights and packaging measures, correspond exactly to the supplied product specifications for straightforward integration into existing filtration workflows.
This article is part of Filter paper, in Filtration.
Key features
- Pack size: 100 pc(s)
- Diameter: 11 cm
- Filter type: Round filter MN 621
- EAN: 4046681023798
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Questions about Round filter MN 621, 11 cm
What is this article?
Round filter MN 621, 11 cm is the article on this page. Luminix Health distributes Macherey-Nagel for laboratory use. It sits in Filter paper, inside Filtration, in Lab consumables.
Filter paper is a cellulose sheet of a stated retention and speed. Qualitative paper clarifies. Quantitative, ashless paper is for a precipitate that will be weighed or ashed, because the paper itself leaves almost no ash. The diameter has to match the funnel.
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 Filter paper. The catalogue is Lab consumables.
Shelves beside this one are Sintered glass filter plates & discs, Syringe filters, Filter cartridges & capsules, Membrane filters, Glass & quartz fibre filters, Bottle-top & vacuum filtration units, Ultrafiltration & concentrators, Filtration accessories, 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.

