Description
CHROMAFIL PET-20/25 disposable filters are polyester membrane syringe filters with a pore size of 0,2 µm and a membrane diameter of 25 mm. The polyethylene terephthalate (PET) membrane is suited to clarifying and preparing liquid samples ahead of chromatographic and other analytical work where fine particulate removal is required. Colour coding aids rapid identification at the bench: the upper housing is yellow and the lower housing is orange. This BIGbox configuration supplies 400 pieces packed in a PE screw-top container, supporting high-throughput laboratories that need a reliable bulk stock of ready-to-use Einmalfilter units. Offered from manufacturer Macherey-Nagel, the PET-20/25 format combines a defined 0,2 µm pore structure with a practical 25 mm filtration area for routine sample clean-up. The non-sterile disposable design fits standard laboratory workflows for solvent and aqueous sample filtration prior to HPLC or related techniques, helping maintain consistent sample integrity without additional preparation steps.
This article is part of Syringe filters, in Filtration.
Key features
- Pack size: 400 pc(s) BIGbox in PE screw jar
- Product type: Disposable syringe filter (CHROMAFIL)
- Membrane material: Polyethylene terephthalate (PET) / polyester
- Pore size: 0,2 µm
- Membrane diameter: 25 mm
- EAN: 4046681074332
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Questions about CHROMAFIL PET-20/25, BIGbox
What is this article?
CHROMAFIL PET-20/25, BIGbox is the article on this page. Luminix Health distributes Macherey-Nagel for laboratory use. It sits in Syringe filters, inside Filtration, in Lab consumables.
A syringe filter is a membrane in a plastic housing on a Luer fitting. Pore size, membrane polymer and diameter are the three choices. 0.2 µm is the sterilising and the HPLC-particle cut. 0.45 µm is the coarser clarification. Aqueous and solvent-resistant membranes are different polymers.
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 Syringe filters. The catalogue is Lab consumables.
Shelves beside this one are Filter paper, Sintered glass filter plates & discs, Filter cartridges & capsules, Membrane filters, Glass & quartz fibre filters, Bottle-top & vacuum filtration units, Ultrafiltration & concentrators, Filtration accessories, Extraction thimbles and Dialysis tubing & devices.
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.

