Designed for protein purification, protein concentration and desalting. EMD Millipore Amicon™ Ultra-15 Centrifugal Filter Units are constructed with Ultracel membranes, styrene/butadiene housing and polypropylene tubes and polyethylene caps and liners. Available in many MWCO levels. X96 AMICON ULTRA 15ML 50K

Achieve both high sample recovery and fast sample processing. EMD Millipore Amicon™ Ultra-4 Centrifugal Filter Units feature regenerated cellulose membranes that are ideal for protein & nucleic acid purification, concentration and desalting. Available in several diameters and molecular weight limits. X96 Amicon Ultra-4 50k NMWL

For use with disposable white filter cards for sample volumes up to 0.5mL and for use with disposable brown filter cards for sample volumes of 0.4mL or less X200 Filtercard Thermo Scientific Shandon brown

Offers increased volume flexibility and performance. Vivaspin™ 20 Centrifugal Concentrator handles up to 20mL in swing bucket rotors and 14mL in fixed angle rotors accepting 50mL centrifuge tubes. Features twin vertical membranes for unparalleled filtration speed and >100-fold concentration. X12 Membrane Vivaspin 20 5-20ml samples MWCO

Designed for protein purification, protein concentration and desalting. EMD Millipore Amicon™ Ultra-0.5 Centrifugal Filter Units feature reverse spin capability and are available at two MWCO levels. Constructed with Ultracel membranes, styrene/butadiene housing and polypropylene caps and tubes. X96 AMICON ULTRA 0.5ML 50K

Centrifugal concentrator Genevac DUC-23050-A00without rotor 230V 50-60Hz miVac duo concentrator

Provides a simple, one-step concentration procedure. Sartorius™ Vivaspin™ 500 Centrifugal Concentrators are disposable ultrafiltration devices for the concentration of biological samples with starting volumes up to 500µL. Available with PES membranes in a wide range of molecular weight cut-offs. X100 Membrane Vivaspin 500 100-500µL samples MWCO100-600µl PES 5,000 MWCO (100St)

Compatible with swinging-bucket rotor (250mL) with maximum rotation of 3500xG X8 Centricon Plus 70 10K NMWL

Handles volumes up to 500μL. Corning™ Costar™ Centrifugal Devices: Spin-X™ LC includes a nylon membrane for applications such as HPLC sample preparation. X200 Centrifuge tube filters Spin-X NY 2ml, 0.45µm, NonSterile, 100/bag

Consisting of a membrane-containing filter unit within a polypropylene centrifuge tube. Corning™ Costar™ Spin-X™Centrifuge Tube Filters effectively filters small sample volumes by centrifugation for bacteria removal, particle removal, HPLC sample preparation, removal of cells from media and purification of DNA from agarose and polyacrylamide gels. X96 Centrifuge tube filters Spin-X CA 2ml, 0.45µm, Sterile, 24/bag

Centrifugal concentrator Genevac DNA-23050-A00

Combines high-flux, twin membranes with a sleek internal design for superior performance. Sartorius™ Vivaspin™ Turbo 4 Centrifugal Concentrators deliver ultra-fast concentration and virtually complete concentrate recovery for 2 to 4mL sample volumes. Vivaspin Turbo 4 10 000 Dalton

Thermo Scientific™ Pierce™ Protein Concentrators PES are easy-to-use centrifugal devices that provide fast processing and excellent recovery of protein samples. 24rxn Pierce Protein Concentrator PES, 100K MWCO,5-20 mL

Optimize cell yield with the Thermo Scientific™ Shandon™ EZ Single Cytofunnel™ with White Filter Cards and Caps. EZ Single Cytofunnel,Wht,40/BX

Use for one-step, non-denaturing sample concentration in a single tube for minimal sample handling and reduced sample loss. GE Healthcare Life Vivaspin™ 20 Sample Concentrators cater to scientists working with sample volumes ranging from 100 μl to 20 ml, with a range of MWCO values from Mr 3 000 to 100 000. CONCENTRATOR GE HEALTHCARE VIVASPIN 20 50KDAMWCO, PES

Reverse spin capability provides consistent recoveries X24 Amicon Ultra 2ml Pre-Launch 100K

Nonsterile and certified nonpyrogenic X1000 SPIN-X Insert, no membrane, Nonsterile, bulk

Ideal centrifugal filter for protein extraction, protein purification and sample prep. Millipore™ Ultrafree-MC Centrifugal Filter is a singl-use, disposable filter. X25 ULTRAFREE-MC PTFE LH 25

Hold sample volumes of up to 0.5mL with the Thermo Scientific™ Shandon™ Single Cytofunnel™ with White Filter Cards. X500 Cytofunnel Thermo Scientific Shandon single

Facilitate quick, reliable processing of FNAs, tissue fragments, and cell buttons with the Thermo Scientific™ Shandon™ Cytoblock™ Cell Block Preparation System. Cytoblock Cell Block Prep Syst

Use for one-step, non-denaturing sample concentration in a single tube for minimal sample handling and reduced sample loss. GE Healthcare Vivaspin™ 500 Sample Concentrators cater to scientists working with sample volumes ranging from 100 μl to 20 ml, with a range of MWCO values from Mr 3 000 to 100 000. CONCENTRATOR GE HEALTHCARE VIVASPIN 500 5KDAMWCO, PES

Thermo Scientific™ Pierce™ Protein Concentrators PES are easy-to-use centrifugal devices that provide fast processing and excellent recovery of protein samples. 10RXN Pierce Protein Concentrator PES, 100K MWCO,2-6 mL

ideal for DNA concentration and desalting applications. Microcon DNA Fast Flow PCR Grade Dual cycle EtO treated

Combines high speed with superior retentate recovery for concentrating very dilute solutions. Sartorius™ Vivaspin™ 2 Centrifugal Concentrators: PES Membrane feature twin vertical membranes, small internal surface areas and thin-channel chambers. Available in a range of MWCO and packaging quantities. X25 Membrane Vivaspin 2 0.4-2ml samples MWCO

Double the number of sample presentations per run with the Thermo Scientific™ Shandon™ EZ Double Cytofunnel™. X200 Cytofunnel Thermo Scientific Shandon EZ

Provides efficient concentration, desalting, or buffer exchange of aqueous biological samples. X100 Protein Microcon - 10 Kda

Ideal for general purpose laboratory concentration or purification prior to further analysis. X4 Solvent Absorption Concentrators VivaporeProbevolumen 2-20 ml PES 7,500 MWCO (4 St)

Separate free from bound microsolutes. EMD Millipore Centrifree™ Ultrafiltration Device is licensed for research use and in vitro diagnostic use with serum, plasma & other biological samples. Features the Ultracel™ cellulose membrane and sturdy housing materials. X50 CENTRIFREE

Prepare and purify microcentrifuge samples. EMD Millipore Ultrafree™-MC Centrifugal Filter Devices with Durapore™ Membrane enables fast, convenient sample preparation of very low hold-up volumes. Available in sterile and non-sterile versions and a variety of pore sizes. X25 ULTRAFREE DV 0.65

Disposable, single-use device for rapid processing of aqueous biological solutions in volumes ranging from 15 to 70mL X8 Centricon Plus 70 3k NMWL