The FlowFraction™ sample collection system allows on-line fraction collection for up to eight vessels for further off-line analysis of your bioprocess. The FlowFraction system is customizable to accommodate a variety of tube types and sizes, septum piercing, and temperature control. When used with the SegFlow® Sample Module, sample dilution and reagent addition may be conducted for on-line sample preparation of your samples. The FlowWeb™ software application controls and monitors all sample collection functions.