The common filtration media used in the production of aseptic formulations, include depth filtration media and membrane filtration media. Depth filtration media is generally used as prefiltration to remove large particles and impurities and improve the process efficiency.

Cobetter provide a complete range of depth filters, including glass fiber, nanofiber polypropylene, and high-precision polypropylene materials, with high dirt-holding capacity and particle retention efficiency. The depth filters and effectively protect the final sterilizing-grade filters.