Description
GF prefilter, 45 mm is a glass fibre filtration disc of grade 13400 intended primarily for use as a prefilter in laboratory workflows. These filters capture coarser particles ahead of finer membranes, thereby protecting downstream filtration stages during sample clarification. Supplied in a pack of 500 pieces, the 45 mm diameter format fits standard laboratory filter holders and supports routine preparatory filtration of liquids. Grade 13400 media from manufacturer Sartorius is widely selected when an initial depth-filtration step is required before analytical or sterile filtration. The glass fibre construction provides reliable particulate retention for research, quality-control and process laboratories handling aqueous or solvent-based samples. Consistent pack quantity of 500 units simplifies inventory management in high-throughput environments. The product originates from Germany and is suited to everyday prefiltration tasks where larger particulate loads must be reduced prior to final membrane filtration.
This article is part of Filtration accessories, in Filtration.
Key features
- Pack size: 500 pc(s)
- Storage temperature: Room Temperature
- Diameter: 45 mm
- Grade: 13400
- Material: Glass fibre
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Questions about GFpre-filter;45mm;500pc
What is this article?
GFpre-filter;45mm;500pc is the article on this page. Luminix Health distributes Sartorius for laboratory use. It sits in Filtration accessories, inside Filtration, in Lab consumables.
Filtration accessories are the holders, the gaskets, the manifolds and the flasks a membrane or a Büchner setup needs. A holder for 47 mm discs does not clamp a 25 mm disc. The gasket is what actually seals.
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 Filtration accessories. 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, 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.

