Description
Gas washing bottle head with FP NSK 29/32, Por. 2 is a precision laboratory glassware component manufactured from borosilicate 3.3 for gas-washing and related applications. It incorporates a VitraPOR® filter plate of porosity 2 together with a standard ground joint NSK 29/32, enabling secure connection to matching flasks. The head is designed to fit bottles referenced as 40 10* or 40 25*, offering flexibility when assembling gas-scrubbing, humidification or purification systems. Supplied as a single piece from manufacturer ROBU - Stereon, the attachment provides defined frit characteristics suitable for controlled gas dispersion through the porosity-2 plate. Borosilicate 3.3 construction ensures chemical resistance and thermal stability under typical laboratory conditions. This head integrates into existing glassware setups that require an NSK 29/32 joint and a porosity-2 filter plate, supporting reliable performance in chemical synthesis, analytical sample preparation and gas-treatment workflows. The combination of standardised joint geometry and VitraPOR® frit technology makes it a practical choice for modular gas-washing configurations.
This article is part of Sintered glass filter plates & discs, in Filtration.
Key features
- Pack size: 1 pc
- Type: Gas washing bottle head
- Material: Borosilicate 3.3
- Joint size: NSK 29/32
- Porosity: 2
- Filter plate: VitraPOR®
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Questions about Washing Bottle head, FD ST 29/32 cone, Por. 2
What is this article?
Washing Bottle head, FD ST 29/32 cone, Por. 2 is the article on this page. Luminix Health distributes ROBU - Stereon for laboratory use. It sits in Sintered glass filter plates & discs, inside Filtration, in Lab consumables.
A sintered glass filter is a disc of fused glass particles with a porosity grade, often 0 to 5, from coarse to fine. It is cleaned and reused. The porosity number, not a micrometre guess, is the specification. Hydrofluoric acid and strong alkali attack the glass.
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 Sintered glass filter plates & discs. The catalogue is Lab consumables.
Shelves beside this one are Filter paper, 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.
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The seven catalogues are Labware, Lab chemicals, Lab instruments, Lab consumables, Chromatography equipment, Lab safety equipment and Life Science & Microbiology.