4mL Centrifugal Filter Unit, MWCO 50kDa, Non-Sterile

Part Number: 2307-14000

• Filter cartridges feature PES membranes with 5, 10, 30, 50 or 100kDa size exclusion cut-offs 
• Large active membrane area with dual vertical design for fast and efficient processing 
• Centrifuge tubes feature internal supports to securely position the filter cartridge 
• Applications include sample concentration, molecule purification, protein fractionation, buffer exchange, and desalting 
• Cartridge design prevents accidental over-concentration of samples 
• High sample recovery of >90% 
• Graduations on conical tube and filter cartridge are printed in bold, easy-to-read black ink 
• Large white marking area provides excellent contrast for identification 
• Filter cartridges are clearly printed with Molecular Weight Cut Off (MWCO) in daltons 
• Easy to write on flat surface HDPE caps feature integrated polyethylene liners for a leak-proof seal 
• Molded graduations in the conical bottom are ideal for small volume quantification 
• Standard centrifuge tube rotor compatibility 
• Operating temperature range of 0C – 40C