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Spectrum offers laboratory grade Ultrafiltration supplies and accessories from the industry’s leading manufacturer, Sartorius. Ultrafiltration devices are utilized for concentration and buffer exchange, desalting of proteins, DNA, viruses and other biological samples in laboratory scale from 100 µL to 5 L sample volume. Choose between centrifugal, pressure-driven, and crossflow units as well as a choice of different ultrafiltration membranes and MWCOs.