It is a spherical shape formed by injection molding two semi-circular fishnet-like structures from plastic.The center is filled with plastic woven filaments or small pieces of sponge. In the biochemical treatment of wastewater,it features a fully three-dimensional structure, a large specific surface area, direct placement without the need for fixation,easy biofilm attachment, and no clogging. The all-plastic structural unit filler possessesA/O and A2/O hydrolysis-aerobic functions, produces very little excess sludge, and has a long service life.
   Specifications: Ф100    1000 pcs/m3
        Ф80     2000 pcs/m3