Description
Büchner funnel 500 ml P3 is a laboratory glass filter funnel for vacuum-assisted solid-liquid separation, providing a 500 ml capacity and porosity grade P3. The filter plate measures 90 mm in diameter and the outer stem diameter is 22 mm, enabling secure connection to standard receiving vessels. Net weight is 0,334 kg, offering a practical balance of robustness and ease of use on the bench. This Filternutsche from manufacturer Witeg is suited to filtration steps in chemical synthesis, analytical chemistry and sample preparation where finer particle retention is needed. The P3 porosity permits controlled flow of finer precipitates under reduced pressure while limiting premature clogging. Design follows established Büchner funnel geometry adapted for fritted-glass performance and compatibility with routine laboratory vacuum assemblies. The 500 ml volume supports moderate sample throughputs typical of research and quality-control laboratories. Consistent plate and stem dimensions contribute to reproducible filtration results across repeated laboratory operations.
This article is part of Büchner & filter funnels, in Funnels.
Key features
- Pack size: 1 pc(s)
- Capacity: 500 ml
- Porosity: P3
- Plate diameter: 90 mm
- Stem outer diameter: 22 mm
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Questions about Filter funnel 500 ml P3
What is this article?
Filter funnel 500 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.

