


Syringe filter, labeled, CHROMAFIL Xtra GF, 1 µm, 100 pieces, Part Number 729228 MN, Buy now from Macherey-Nagel at Dawn Scientific.
MACHEREY-NAGEL’s product range includes some of the most reliable analytical systems used in industry, healthcare, biotechnology, environmental analysis, and research. The company’s unique strength lies in its in-house expertise, encompassing traditional departments like research, production, and media design, along with specialized units for mechanical engineering, device development, and even joinery. Backed by numerous patents and international certifications, their products meet the highest standards of precision and reliability.
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In addition to our specialty product lines, Dawn Scientific offers a comprehensive range of laboratory supplies and scientific products, including laboratory chemicals, reagents, analytical standards, solutions, buffers, biological stains, indicators, laboratory equipment, instruments, consumables, and much more.
For complete product information, technical resources, and our full catalog, please browse other categories on our website dawnscientific.com.
If you have any questions or would like assistance selecting the right products for your application, our knowledgeable team is ready to help. Contact us at 1-800-DAWN-SCI (1-800-329-6724) or email sales@dawnscientific.com. We look forward to serving your laboratory and research needs.
| Selling unit | 100 pieces, 400 pieces |
| Method | Filtration |
| Brand | CHROMAFIL Xtra |
| Type | Syringe filter, labeled |
| Housing type | Wheel-like shaped housing |
| Hardware | Polypropylene (PP) housing with filter membrane |
| Membrane type | Glass fiber (GF) |
| Membrane properties | Hydrophilic |
| Filter type | 25 mm |
| Effective membrane diameter* | 22 mm |
| Membrane pore size | 1 µm |
| Code type | Labeled |
| Color code (top) | Labeled |
| Color code (bottom) | Colorless |
| Inlet | Luer lock (top) |
| Outlet | Luer tip (bottom) |
| Sample volume | 5-100 mL |
| Recommended application(s) | Allows higher flow rates than small pore filters, As prefilters for other CHROMAFIL syringe filters, For solutions with high loads of particulate matter or for highly viscous solutions (e.g., soil samples, fermentation broths), Inert filter |
| Sterile | No |
| Binding capacity (proteins) | Moderate–high |
| Dead volume | 80 µL |
| Effective filtration area* | 3.8 cm² |
| Storage temperature | 15–25 °C / 59–77 °F |
| Hazardous material | No |
| Remark | *Standardized measurement since Mai 2023. The product has not been modified. |

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