Description
Folded filter Fafi MN 651 1/4, 40 cm is a pre-pleated laboratory filter paper for gravity filtration and everyday clarification tasks. Its 40 cm diameter (400 mm) offers a large working surface suited to correspondingly sized funnels and higher sample volumes. The MN 651 1/4 grade arrives as ready-folded discs, eliminating the need to crease flat sheets by hand and supporting reproducible set-up across multiple runs. Each pack holds 100 non-sterile pieces and is aimed at analytical, preparative, and quality-control laboratories that rely on classical paper filtration. Filters from manufacturer Macherey-Nagel in this format retain suspended solids while the liquid phase drains under gravity. Pre-formed pleats enlarge the effective filtration area compared with an unfolded disc of equal diameter, which can favour steady flow during routine separations. Net weight per pack is 1,34 kg. Select the 40 cm size when funnel geometry or batch volume requires a broader filter footprint while keeping the same MN 651 1/4 specification.
This article is part of Filter paper, in Filtration.
Key features
- Pack size: 100 pc(s)
- Product type: Folded filter
- Grade: MN 651 1/4
- Diameter: 40 cm (400 mm)
- EAN: 4046681014987
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Questions about Folded Filter Papers MN 651 1/4, 40 cm
What is this article?
Folded Filter Papers MN 651 1/4, 40 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.