North America Tangential Flow Filtration Market Investment Opportunities, Future Trends, Business Demand and Growth Forecast 2030 Get more info: https://www.stellarmr.com/report/North-America-Tangential-Flow-Filtration-Market/824 Tangential flow Filtration, also known as cross-flow filtration, is a very important downstream processing technique that is also used in the upstream process of cell harvesting (separation of cells from fermentation broth). The solution is delivered tangentially along the filter's surface, with the pressure difference guiding constituents smaller than the pores through the filter.