Description
The Büchner funnel 50 ml P3 is a fritted glass filter funnel intended for vacuum-driven solid-liquid separations in the laboratory. It features a sintered filter plate of porosity grade P3, a plate diameter of 35 mm and a stem outer diameter of 10 mm, delivering a practical 50 ml working volume for processing suspensions, precipitates and crystalline products. The integrated glass frit supports paper-free filtration and can be cleaned for multiple cycles under normal laboratory conditions. Available from manufacturer Witeg as a single unit weighing 0,044 kg net, the funnel connects easily to standard vacuum filtration assemblies through its slender stem. Defined P3 porosity assists in achieving consistent retention when clarifying solutions or collecting solids in chemistry, biochemistry and materials-science workflows. The durable all-glass construction provides the chemical resistance and mechanical stability expected of laboratory filter nutschen. Compact size and moderate capacity make the 50 ml P3 model a reliable choice for routine preparative and analytical filtrations that benefit from a reusable sintered disc rather than disposable filter papers.
This article is part of Büchner & filter funnels, in Funnels.
Key features
- Pack size: 1 pc(s)
- Capacity: 50 ml
- Porosity: P3
- Plate diameter: 35 mm
- Stem diameter: 10 mm
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Questions about Filter funnel 50 ml P3
What is this article?
Filter funnel 50 ml P3 is the article on this page. Luminix Health distributes Witeg for laboratory use. It sits in Büchner & filter funnels, inside Funnels, in Labware.
A Büchner funnel is a perforated porcelain or plastic plate used with a rubber cone and vacuum to pull liquid through a filter paper. A filter funnel is the glass cone that holds a folded paper under gravity. The plate diameter decides the paper size.
A funnel guides a liquid or a powder into a narrower mouth. A filter funnel holds a paper. A Büchner funnel is the flat perforated plate used with vacuum. A separating funnel has a stopcock so two liquid layers can be run off one at a time. A dropping funnel adds a reagent slowly into a reaction. The bore and the stopcock are the parts that matter. This glassware is listed under ISO laboratory glassware.
Which category should I open next?
The category is Funnels. The sub-category is Büchner & filter funnels. The catalogue is Labware.
Shelves beside this one are Funnels (plastic, glass & steel), Dropping funnels, Separating funnels and Powder funnels.
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.


