Description
Spectra/Por® Float-A-Lyzer® G2, black is a laboratory dialysis system intended for small-volume separation and sample preparation. It features a molecular weight cut-off (MWCO) of 3500 - 5000 and a working capacity of 1 ml, supporting controlled dialysis where this intermediate cut-off window is required. Black colour coding allows rapid visual identification of the MWCO class beside other G2 variants on the bench. The device is CE marked. Units are supplied in packs of 12 pc(s) with a listed weight of 0,700 kg, which helps laboratories plan inventory for recurring dialysis work. Within filtration, water purification, dialysis and separation categories, the Float-A-Lyzer® G2 design provides a floating, membrane-based format for buffer exchange and solute handling under defined MWCO conditions. Available from manufacturer REPLIGEN, this Spectra/Por® G2 black model forms part of a colour-coded series that simplifies selection across cut-off ranges. The floating configuration is intended for practical placement in dialysis baths while maintaining the membrane selectivity of the Spectra/Por® line. This 1 ml black variant is aimed at research and analytical workflows that need the 3500 - 5000 MWCO specification in a compact dialysis device.
This article is part of Dialysis tubing & devices, in Filtration.
Key features
- Pack size: 12 pc(s)
- Product type: Dialysis system
- Colour: black
- MWCO: 3500 - 5000
- Capacity: 1 ml
- Marking: CE
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Questions about Spectra/Por® Float-A-Lyzer® G2, black, CE, MWCO 3500 - 5000, capacity 1 ml
What is this article?
Spectra/Por® Float-A-Lyzer® G2, black, CE, MWCO 3500 - 5000, capacity 1 ml is the article on this page. Luminix Health distributes REPLIGEN for laboratory use. It sits in Dialysis tubing & devices, inside Filtration, in Lab consumables.
Dialysis tubing is a membrane tube that lets small molecules leave a sample and keeps macromolecules inside, until both sides approach equilibrium. The molecular-weight cutoff and the flat width are the specification. It is a slow method. The tubing has to be wetted and rinsed as the pack says.
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 Dialysis tubing & devices. The catalogue is Lab consumables.
Shelves beside this one are Filter paper, Sintered glass filter plates & discs, Syringe filters, Filter cartridges & capsules, Membrane filters, Glass & quartz fibre filters, Bottle-top & vacuum filtration units, Ultrafiltration & concentrators, Filtration accessories and Extraction thimbles.
What should I check before I order?
The technical information on this page is the manufacturer's sheet. Read that, not a rewritten specification.
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.

