Cytiva
142 mm disc filter holder, stainless steel (1/Pk)
SKU · 11872
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Cytiva offers a comprehensive range of lab filtration products designed to support reliable sample preparation, sterile filtration, and microbiological quality control in laboratory environments. With decades of expertise in laboratory filtration, Cytiva provides syringe filters, membrane filters, and Whatman filter papers that are widely used in research, pharmaceutical, and quality assurance laboratories worldwide. Whether you need solutions for HPLC sample prep, sterile filtration, or microbiology QC, Cytiva’s filtration product line delivers consistent performance, high compatibility, and trusted results for critical laboratory workflows.
Cytiva provides a full range of syringe filters and membrane filters to meet the diverse needs of laboratory filtration. Designed for consistent performance and high compatibility, these products are available in multiple pore sizes and membrane materials, making them suitable for sample preparation, particle removal, sterile filtration, and microbiological analysis. Whether you require rapid filtration for HPLC sample prep or precise membrane technology for sensitive biological samples, Cytiva offers solutions that support reliable and reproducible results.
Key Features:
Typical Applications:
Membrane Materials:
Key Features:
Typical Applications:
Membrane Materials:
With Cytiva’s extensive portfolio of syringe and membrane filters, you can select the ideal product for your specific laboratory workflow, ensuring both efficiency and accuracy across every application.
Cytiva’s Whatman filter paper and filter plates are trusted worldwide for their outstanding performance and reliability in laboratory filtration. Whatman filter papers are available in a variety of grades, making them suitable for qualitative and quantitative analysis, sample clarification, and fine particle retention. The range of filter plates is designed to support high-throughput workflows, offering rapid filtration for large sample volumes in applications such as biomolecule purification, cell-based assays, and environmental testing.
Key Features:
Typical Applications:
Key Features:
Typical Applications:
With Cytiva’s Whatman filter paper and filter plates, you can efficiently handle a wide range of laboratory filtration challenges, from routine sample prep to complex analytical workflows.
When choosing laboratory filtration products, you need solutions that ensure accuracy, efficiency, and consistency across all your workflows. Cytiva’s filtration portfolio stands out by offering you an extensive selection of membrane materials and formats, so you can easily find the right filter for any sample type or application. Every Cytiva filtration product is developed with strict quality standards and broad compatibility in mind, helping you achieve reliable results whether you’re performing sample preparation, sterile filtration, or high-throughput analytical work.
Key Advantages:
Extensive Material Options: Choose from a wide selection of membrane types, including nylon, PTFE, PVDF, PES, cellulose acetate, and glass fiber, to ensure optimal compatibility with different samples and solvents.
Consistent Quality Control: Every filtration product is manufactured to strict quality standards, delivering reproducible results batch after batch and meeting the requirements of regulated environments.
Broad Application Compatibility: Cytiva filtration products are designed to integrate seamlessly with various laboratory systems, instruments, and protocols, supporting workflows in research, pharmaceuticals, food safety, and environmental monitoring.
Reliable Performance: High flow rates, low extractables, and precise pore size control ensure effective removal of particulates and contaminants while preserving sample integrity.
Trusted by Scientists Worldwide: Backed by decades of innovation and expertise, Cytiva’s filtration solutions are recognized for their reliability and trusted in laboratories around the globe.
When selecting filtration solutions, lab professionals prioritize products with proven performance, consistent availability, and rigorous technical data. Cytiva’s top-selling filtration models—Puradisc™, GD/X™, and Acrodisc®—meet these demands by offering a diverse range of membrane materials and formats, along with transparent specifications. The table below highlights key filters trusted for tasks like HPLC sample prep, sterile filtration, and microbiology testing.
Popular Cytiva Filtration Models
| Model | Format & Size | Membrane Options | Pore Sizes | Sterile Packaging | Typical Applications |
|---|---|---|---|---|---|
| Puradisc™ | Syringe filter – 4 mm, 13 mm, 25 mm, 30 mm | RC, CN, Nylon, PTFE, PES, PP, PVDF, CA | 0.2 µm, 0.45 µm (others on request) | Yes, blister packs / tube tip | HPLC/UHPLC prep, protein clarification, biological fluid filtration (avantorsciences.com, mdmaxx.com) |
| GD/X™ | Syringe filter with glass fiber prefilter | Multi-layer glass fiber + various membranes | 0.2 µm, 0.45 µm | Available | High-volume, particle-laden samples requiring pre-filtration |
| Acrodisc® | Syringe filter – e.g., 25 mm PE/Supor® PES | Supor® (hydrophilic PES) | 0.1 µm–0.45 µm | Yes – bulk sterile | Cell culture media, vaccine prep, low protein-binding filtering |
Each of these models delivers reliable filtration with documented specifications:
These well-documented specifications make it easy for you to compare options, select appropriate pore sizes and materials, and confidently integrate them into your lab workflows.
Cytiva lab filtration products are engineered to meet the demanding requirements of modern laboratories, providing essential support in analytical, microbiological, and quality control workflows. Their versatility and reliability make them integral tools for a wide range of sample preparation and testing applications.
HPLC Sample Preparation
For chromatographic analysis, removing particulates and contaminants is critical to achieving accurate and reproducible results. Cytiva’s syringe filters and membrane filters enable rapid and effective filtration of solvents and samples before HPLC and UHPLC analysis. This minimizes instrument downtime, prevents column clogging, and improves data quality, helping you maintain consistent laboratory performance.
Microbiology Quality Control
In microbiological testing, the accuracy and integrity of filtration steps directly impact results. Cytiva’s membrane filters, including sterile formats, are widely used for microbial enumeration, water quality analysis, and environmental monitoring. Their precise pore sizes and validated performance ensure the efficient retention of bacteria and particulates, supporting reliable colony counting and regulatory compliance.
General Sample Preparation
Across various disciplines, Cytiva filtration products simplify routine sample preparation. Whether clarifying buffers and reagents, filtering cell culture media, or preparing samples for analytical assays, you can depend on Cytiva’s wide selection of membrane materials and pore sizes to match your workflow requirements. Consistent filtration reduces sample variability and supports high-quality outcomes in research and diagnostics.
By integrating Cytiva filtration solutions into your protocols, you enhance the precision, efficiency, and reliability of laboratory testing—regardless of your application area.
1. How do I choose the membrane material?
For aqueous samples, use nylon or cellulose acetate; for organic solvents, use PTFE; for biological samples, choose PVDF or PES.
2. What pore size should I select?
Use 0.45 µm for general filtration, and 0.2 µm (or 0.22 µm) for sterile filtration.
3. Are Cytiva filters compatible with automation?
Yes, most syringe filters and filter plates are automation-friendly; check product specifications.
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