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Filtration Centrifuge Accessories for Protein Concentration and High-Throughput Processing

Filtration centrifuge accessories include replacement single-use membrane filter inserts at specific MWCO (2–300 kDa) for protein concentration and buffer exchange, centrifuge tube adapters for correctly seating filter devices in rotor bores, and 96-well centrifugal filter plates for high-throughput parallel sample processing. Filter membrane inserts are single-use consumables and device-specific—confirm brand, format, volume range, and MWCO before ordering. MBP serves research labs across the United States and Canada.

Contact customerservice@mbpinc.net to verify filter compatibility and request current pricing for your application.

Filtration Centrifuge Accessories

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Z600-500-NP

500ml centrifugal basket, non-perforated

List Price:

USD14,435.88

Online Price:

USD10,311.34

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Z600-500-P

500ml centrifugal basket, perforated

List Price:

USD15,590.75

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USD11,136.25

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Z600-S3-F20u

Filter material PP DLW, 20um pore size, Pack of 10

List Price:

USD2,448.36

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USD1,748.83

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Z600-S3-F30u

Filter material PP DLW, 30um pore size, Pack of 10

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USD2,244.26

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USD1,603.04

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Z600-S3-F50u

Filter material PP DLW, 50um pore size, Pack of 10

List Price:

USD2,244.26

Online Price:

USD1,603.04

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Z600-S3-F7u

Filter material PP DLW, 7um pore size, Pack of 10

List Price:

USD2,448.36

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USD1,748.83

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What Are Filtration Centrifuge Accessories?

Filtration centrifuge accessories are the consumable and add-on components that extend or maintain the functionality of centrifugal filter devices. These include replacement filter inserts with specific molecular weight cut-off (MWCO) membranes, centrifuge tube adapters, 96-well filter plates for high-throughput processing, and collection tubes for retentate and filtrate recovery. Since membrane inserts are designed for specific device formats and brands, selecting compatible accessories is essential for reliable performance, sample integrity, and efficient laboratory workflows.

What You Will Find

Perforated centrifugal baskets for separation processes based on filtration
Non-perforated centrifugal baskets for regulated containment of samples
Filter materials available in various sizes, including 7 µm, 20 µm, 30 µm, and 50 µm, to meet specific filtration requirements

How to Choose Filtration Centrifuge Accessories

Replacement Filter Inserts by MWCO

Select the MWCO based on the target molecule and application requirements. Lower MWCO values are suitable for retaining small proteins and peptides, while higher MWCO options support larger biomolecules, complexes, and viral particles. Always use replacement inserts designed for the original device format and manufacturer.

Centrifuge Tube Adapters

Adapters help position filtration devices correctly within the centrifuge rotor. Proper seating prevents uneven loading, improves filtration efficiency, and supports consistent sample recovery throughout the centrifugation process.

96-Well Filter Plates

Laboratories processing multiple samples simultaneously benefit from 96-well filtration systems. These formats support applications such as protein removal, nucleic acid cleanup, and pharmaceutical screening while maintaining compatibility with standard microplate centrifuge rotors.

Collection Tube Receivers

Collection tubes capture filtrate and concentrated samples during operation. For highly sensitive applications, dedicated single-use collection tubes help minimize cross-contamination and maintain sample purity.

Pre-Wetting Protocols

Many membrane systems perform best when pre-wetted with an appropriate buffer before sample loading. This process improves flow consistency, reduces resistance, and helps prepare the membrane for efficient filtration.

Specifications Context

Most centrifugal filtration devices operate within recommended centrifugal force ranges of 3,000–5,000 ×g, although specific limits vary by product design and membrane type. Following manufacturer guidelines helps prevent membrane damage and ensures optimal sample recovery.

Modern filtration accessories incorporate advanced membrane technologies, improved collection systems, and high-throughput formats that support biotechnology, pharmaceutical, and life science applications. These developments continue to improve efficiency, reproducibility, and laboratory productivity.

The search for perfect accessories compatible with your filtration centrifuge is over. Contact now with the expert team at Molecular Biology Products Inc. to find a perfect match.

FAQ

Centrifugal filter accessories include: replacement membrane inserts (same device format with a different MWCO—e.g., swapping a 10 kDa insert for a 30 kDa insert in the same collection tube housing), collection tube receivers for retentate and filtrate harvesting, centrifuge tube adapters that seat the filter device at the correct radial position in the centrifuge rotor, and multi-well plate formats (96-well filter plates) for high-throughput parallel filtration in swing-out microplate rotors.

Centrifugal filter devices fit inside standard centrifuge tube positions based on their outer diameter: Amicon Ultra-0.5 and Vivaspin 500 fit 1.5/2.0 mL microtube rotor positions; Amicon Ultra-4 and Vivaspin 2/6 fit 15 mL conical rotor positions; Amicon Ultra-15 and Vivaspin 20 fit 50 mL conical rotor positions. If the rotor bore is larger than the filter device OD, a centrifuge tube adapter insert is required to seat the device correctly—without an adapter, the device may tilt during spinning, causing membrane rupture or uneven filtration.

In most centrifugal filter formats, the membrane is integral to the filter insert—the MWCO cannot be changed by swapping a membrane alone; a new filter insert with the target MWCO must be purchased. Some multi-insert formats allow the filter unit (with membrane) to be purchased separately from the collection tube, but the insert and tube must be from the same product line to ensure a leak-free seal. Always order the complete filter insert for the required MWCO.

96-well centrifugal filter plates are multi-well filter devices that fit into swing-out microplate rotors in a standard SBS footprint, allowing simultaneous filtration, desalting, or protein binding removal across 96 samples in a single centrifuge spin (typically 1,000–5,000 ×g for 5–30 minutes). They are used in high-throughput drug metabolism and pharmacokinetics (DMPK) assays for protein precipitation filtrate harvesting, NGS library prep cleanup, and multi-sample buffer exchange. Common membrane options: 0.22 µm or 0.45 µm PVDF for particulate removal; 3–30 kDa MWCO regenerated cellulose for protein ultrafiltration.

To prevent membrane rupture: never exceed the manufacturer's specified maximum RCF (typically 3,000–5,000 ×g for most Amicon Ultra and Vivaspin devices); avoid spinning viscous samples at the maximum rated RCF—start at 3,000 ×g and increase if flow rate is too slow; do not allow the membrane to dry out during the spin—stop before the retentate volume reaches below the dead-stop volume; and pre-wet the membrane with the starting buffer before loading sample to reduce initial hydrophobic resistance and improve flow uniformity.

Centrifugal filter devices are single-use consumables by design—the membrane insert degrades progressively with each use, protein adsorbs irreversibly to the membrane surface with successive samples, and re-use risks cross-contamination between samples. Collection tubes (the lower receiver) can technically be rinsed and reused, but the filter insert with membrane must be replaced for each new sample. For applications requiring very high purity (therapeutic protein formulation, clinical molecular testing), single-use filter inserts for every sample are the validated standard.

To obtain protein-free filtrate from serum or plasma (for small-molecule drug analysis, for example), a membrane MWCO of 3 kDa or 10 kDa retains albumin (66 kDa) and all larger proteins while allowing small molecules, drugs, and metabolites to pass through in the filtrate. A 30 kDa MWCO allows some smaller proteins (e.g., cytokines, peptide hormones) to pass; use 3–10 kDa when complete protein removal from the filtrate is required.

MBP (mbpinc.net) stocks centrifugal filter accessories including replacement filter inserts, collection tube adapters, and 96-well filter plates for research and clinical labs across the United States and Canada. Confirm your filter device brand, model, sample volume format, and MWCO requirement when ordering. MBP is a registered vendor to Howard Hughes Medical Institute, MD Anderson Cancer Center, and Vanderbilt University and can support institutional purchase orders.

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