Description
Round filter MN 85/70 BF, 15 cm is a laboratory round filter designed for general solid-liquid separation and sample clarification in analytical and preparative work. With a diameter of 15 cm, the MN 85/70 BF format fits standard funnels and filtration assemblies used in routine laboratory practice. Each pack contains 100 pieces, supporting efficient stock handling for high-throughput or multi-user environments. These round filters from manufacturer Macherey-Nagel are intended for everyday filtration tasks such as collecting precipitates, clarifying solutions and preparing samples prior to further analysis. The consistent circular cut aids reproducible placement and handling across successive filtration steps. Suitable for non-sterile laboratory applications, the filters integrate readily into common research, quality-control and teaching workflows. The 15 cm diameter is a practical medium size for many aqueous and organic solvent filtrations performed at the bench. Laboratories seeking a straightforward round-filter medium for standard separation procedures will find the MN 85/70 BF series a convenient choice. The pack of 100 filters arrives ready for immediate use without additional preparation steps beyond normal laboratory handling.
This article is part of Glass & quartz fibre filters, in Filtration.
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Questions about Glass fiber filters MN 85/70 BF, 15 cm
What is this article?
Glass fiber filters MN 85/70 BF, 15 cm is the article on this page. Luminix Health distributes Macherey-Nagel for laboratory use. It sits in Glass & quartz fibre filters, inside Filtration, in Lab consumables.
Glass-fibre and quartz-fibre filters are depth filters with a high dirt load, used for air sampling, for total suspended solids and in front of a membrane. They have no sharp pore-size cutoff the way a membrane does. Binderless grades matter when the filter will be weighed or heated.
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 Glass & quartz fibre filters. The catalogue is Lab consumables.
Shelves beside this one are Filter paper, Sintered glass filter plates & discs, Syringe filters, Filter cartridges & capsules, Membrane 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.

