Description
Filter funnel, Boro 3.3, 125 ml, 17 D 4 is a borosilicate glass 3.3 laboratory filter funnel equipped with a porosity 4 sintered disc for finer particle retention. Model 17 D offers a practical 125 ml working volume suited to analytical filtration, crystal isolation and clarification of suspensions in research and quality-control environments. The chemically durable Boro 3.3 glass construction provides good thermal shock resistance and broad reagent compatibility, while the transparent body allows continuous observation of the filtration process. Designed for use with standard vacuum filtration setups, the funnel supports efficient solid–liquid separation at bench scale. This glass filter funnel from manufacturer Brand is supplied as a single unit and is intended for repeated laboratory use where consistent porosity performance is required. It belongs to the family of glass frits and filter funnels commonly employed in organic synthesis, inorganic preparation and sample clean-up protocols.
This article is part of Büchner & filter funnels, in Funnels.
Key features
- Pack size: 1 pc
- Material: Borosilicate glass 3.3
- Capacity: 125 ml
- Model: 17 D
- Porosity: 4
- EAN: 4033378290045
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Questions about Filter funnel, Boro 3.3, 125 ml, 17 D 4
What is this article?
Filter funnel, Boro 3.3, 125 ml, 17 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.

