Description
Round filter MN 651, 18,5 cm is a circular laboratory filter with a diameter of 18,5 cm intended for standard filtration work. Supplied in a pack of 100 pc(s), this MN 651 round filter supports routine separation tasks in analytical and research laboratories. The pack has a net weight of 0,30 kg and a gross weight of 0,30 kg. Packaging volume measures 0,001428 m³, with height 0,19 m, width 0,19 m and depth 0,04 m. Produced by manufacturer Macherey-Nagel, the filters originate from Germany in the Nordrhein-Westfalen region and are designated non-sterile. Dual-use classification is not applicable. These round filters belong to the Rundfilter category and provide a consistent 18,5 cm format for general laboratory filtration procedures. The unit quantity of 100 pc(s) allows convenient stocking for multiple experiments. Physical dimensions and weights facilitate straightforward storage and handling on the bench or in inventory systems. The MN 651 designation identifies this specific diameter variant within the series for clear selection during ordering and use in scientific workflows requiring reliable round filter media of this size.
This article is part of Filter paper, in Filtration.
Key features
- Pack size: 100 pc(s)
- Diameter: 18,5 cm
- Origin country: Germany
- EAN: 4046681023309
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Questions about Round filter MN 651, 18.5 cm
What is this article?
Round filter MN 651, 18.5 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.

