Description
Filter funnel of borosilicate glass 3.3 with 50 ml capacity, model 3 D and porosity 4 supports reliable vacuum or gravity filtration in analytical and preparative laboratory work. The sintered glass disc of defined porosity 4 retains fine precipitates while allowing efficient solvent passage, making the unit suitable for crystallisation work-up, solid-phase isolation and routine sample clarification. Constructed entirely from chemically resistant Boro 3.3 glass, the funnel withstands thermal shock and aggressive reagents commonly encountered in organic and inorganic procedures. Compact dimensions and a stable base facilitate handling on the bench or under reduced pressure. Supplied as a single piece from manufacturer Brand, this glass nutsche integrates readily into existing filtration assemblies and glassware sets. Net weight is only 0,0424 kg, simplifying storage and transport within the laboratory. Ideal for teaching labs, quality-control environments and research groups requiring reproducible frit performance without disposable media.
This article is part of Büchner & filter funnels, in Funnels.
Key features
- Pack size: 1 pc(s)
- Material: Borosilicate glass 3.3
- Capacity: 50 ml
- Model: 3 D
- Porosity: 4
- EAN: 4033378289964
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Questions about Filter funnel, Boro 3.3, 50 ml, 3 D 4
What is this article?
Filter funnel, Boro 3.3, 50 ml, 3 D 4 is the article on this page. Luminix Health distributes Brand 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.

