CarboScale® RB is a series of disposable structured packings with flow-channel design for use in roller bottles. The cartridges are cylindrical, made of carbon with lateral flow-channel geometry for use in any existing roller bottle systems. The cartridges are available in different sizes with respective surface areas. CarboScale® WV is a series of disposable carbon flow-channel plates, especially designed for wave bioreactors. Different specifications are available to fit to the required scale. CarboScale is a large family of structured packings comprising a bioactive nano-structured carbon surface.