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 Centrifugal 4ml 30K NMWL

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. X50 ULTRAFREE MC GV STER

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. X8 AMICON ULTRA 15ML 3K NMWL

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. X500 AMICON ULTRA 0.5ML 10K

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)

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

X100 Protein concentrator Vivaspin 2 for samples

Filter volumes up to 2mL with these 2mL polypropylene centrifugal filters X25 2 ML CENTRIFUGE FILTER, NYLON, 0.45UM

Achieve fast sample concentration and high recovery. Sartorius™ Vivaspin™ 6 Centrifugal Concentrators are the only device of its size that can process 6mL samples. They feature twin vertical membranes and built-in dead stop pockets. Available with PES membranes in a wide range of molecular weight cut-offs. X25 Protein concentrator Vivaspin6 for samples 2

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 X12 TPX chamber Thermo Scientific Shandon reusable

Concentrate urine, cerebrospinal and other fluids to enrich analytes. EMD Millipore Minicon B15, 8 Cells/Unit is used worldwide as a preparatory step to increase the sensitivity of subsequent in vitro and clinical tests. Static concentrator requires no accessories and has a concentration factor up to 100X. 40TEST B15 MINICON 1 BOX 40 TESTS

Combines high-flux, twin membranes with a sleek internal design for superior performance. Sartorius™ Vivaspin™ Turbo 15 Centrifugal Concentrators deliver ultra-fast concentration and virtually complete concentrate recovery. Available in a range of MWCO in 12-packs or convenient 48-pack cases. X12 VIVASPIN TURBO 15 PES 50KD

Filter volumes up to 25mL with these 25mL polypropylene centrifugal filters. X50 25 ML CENTRIFUGE FILTER, NYLON 0.45UM

For the Thermo Scientific™ Shandon™ CytoSpin™ Centrifuge Fisher Brand SINGLE WHITE CYTOFUNNELS, PK 500"research use only"

For the Thermo Scientific™ Shandon™ CytoSpin™ Centrifuge FISHER BRAND DOUBLE WHITE CYTOFUNNELS, PK 500"research use only"

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. X100 Centrifuge tube filters Spin-X CA 2ml, 0.45µm, NonSterile, 25/bag

Thermo Scientific™ Pierce™ Protein Concentrators PES are easy-to-use centrifugal devices that provide fast processing and excellent recovery of protein samples. 24 RXN Pierce Protein Concentrator PES, 3K MWCO,2-6 mL

Filter volumes as low as 50µL with low hold-up volume with these 750µL polypropylene micro-centrifugal filters. X100 750 +L CENTRIFUGE FILTER, PVDF, 0.2UM

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, 0.22µm, NonSterile, 100/bag

Thermo Scientific™ Pierce™ Protein Concentrators PES are easy-to-use centrifugal devices that provide fast processing and excellent recovery of protein samples. Protein Concentrator PES, 3K, 24 reactions

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

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

X24 ADVANTEC DISPOSABLE ULTRAFILTRATION UNIT 200KD

Reagents for EMD Millipore Amicon Pro Affinity Concentration Kit Protein G with Amicon Ultra–0.5 Device 1SET Amicon Pro Affinity Concentration Kit Protein G

For use with protein and nucleic acid solutions X25 ULTRAFREE-CL LH 0.45UM

Amicon Pro Affinity Concentration Kit Ni-NTA - A Centrifugal Tool for purifying and concentrating His-tagged proteins. Amicon Pro System AU0.5 3kDa and Reagent kit NiNTA

X1000 ULTRAFREE MC/HV

Collapses the protein purification workflow into as few as three spins, in a single device X24 Amicon Pro System - AU0.5 10K

Fast, convenient sample preparation; very low hold-up volumes (10μL) X25 ULTRA FREE CL 0SV

Fast filtration and highly reproducible performance X25 ULTRAFREE-MC PTFE LG 25