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. X24 AMICON ULTRA 15ML 50K

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 3K

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

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

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. X8 Amicon Ultra Centrifugal 4ml 30K NMWL

X100 VIVASPIN 2 HYDROSART 2KD

Pressure Ulrafiltration X2 VIVACELL 100 PES 50KDml PES 50,000 MWCO (VE=2Stck.)

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

X25 ULTRAFREE-MC PTFE LH 25

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

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

Fast, convenient sample preparation; very low hold-up volumes (10μL) X100 ULTRAFREE CL, P0VV

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 3KD

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. X48 Membrane Vivaspin 20 5-20ml samples MWCObevolumen 6-20 ml PES 30,000 MWCO (48 St)

Filter volumes as low as 50µL with low hold-up volume with these 750µL polypropylene micro-centrifugal filters. X100 750 +L CENTRIFUGE FILTER, RC, 0.45UM

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

Filter volumes up to 2mL with these 2mL polypropylene centrifugal filters X25 2 ML CENTRIFUGE FILTER, CA, 0.22UM

Thermo Scientific™ Pierce™ Protein Concentrators PES are easy-to-use centrifugal devices that provide fast processing and excellent recovery of protein samples. 10rxn Protein Concentrator PES 30K MWCO, 2-6mL

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, 30K MWCO

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

Filter volumes up to 25mL with these 25mL polypropylene centrifugal filters. X50 CELLA 25ML CENTRI FILTER 0.2µM PORE SIZE

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

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

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

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

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

Compatible with swinging-bucket rotor (250mL) with maximum rotation of 3500xG X8 Centricon Plus 70 30K NMWL

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

X1000 ULTRAFREE MC/HV

For processing high-solute samples X96 CENTRIPREP 30