Achieve both high sample recovery and fast sample processing. Amicon™ Ultra Centrifugal Filter Units feature regenerated cellulose membranes that are ideal for protein and nucleic acid purification, concentration and desalting. Available in several diameters and molecular weight limits. X96 AMICON ULTRA 15ML 3K NMWL

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

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

White cards are made from a blend of 100% cotton and cellulose fibers X200 Filter Cards For Shandon Cytospin

Prepare and purify microcentrifuge samples. 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. X100 ULTRAFREE MC VV 0.1

Use for one-step, non-denaturing sample concentration in a single tube for minimal sample handling and reduced sample loss. GE Healthcare Life Vivaspin™ 6 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 6 30KDA MWCO,PES

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

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

Optimize cell yield with the Thermo Scientific™ Shandon™ EZ Single Cytofunnel™ with White Filter Cards and Caps. X200 CYTOFUNNEL EZsingle (pack of 200)

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

Collapses the protein purification workflow into as few as three spins, in a single device X12 Amicon Pro System - AU0.5 3K

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

Fast, convenient sample preparation; very low hold-up volumes (10μL) X25 ULTRAFREE CL VVPP

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 Membrane Vivaspin 6 2-6mlsamples MWCO 0.2µm

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 HEALTCARE VIVASPIN 20 100KDA MWCOPES

X25 Protein concentrator Vivaspin 2 for samples

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 50,000MWCO (100St)

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

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

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

Thermo Scientific™ Pierce™ Protein Concentrators PES are easy-to-use centrifugal devices that provide fast processing and excellent recovery of protein samples. X2 PROTEIN CONCENTRATOR 3K 20ML SAMPLE 2PK

Filter volumes up to 2mL with these 2mL polypropylene centrifugal filters X25 2 ML CENTRIFUGE FILTER, PTFE, 0.2UM

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

X24 ADVANTEC DISPOSABLE ULTRAFILTRATION UNIT 200KD

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

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

For the Thermo Scientific™ Shandon™ CytoSpin™ Centrifuge X50PK FISHER BRAND SINGLE WHITE CYTOFUNNELS W.CAPS"research use only"

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

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

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