PVC made Saff Media has wide applications in sewage treatment plants. This machine component is black in color and is 750 mm in size. Submerged aerated fixed films or Saff is useful to minimize organic loading caused by waste water or sewage in commercial and residential buildings. Saff Media is effective in decreasing biological oxygen demand. Environment friendly operation, low sludge production rate and simple installation method are the key aspects of this product. Modular design and low maintenance cost are its key features.