... available material: PE, PP, RPP, PVC, CPVC, PVDF Bio waste water treatment filter also specialized in using MBBR tank ... . It modified polymeric materials with the promoted additions of bio-enzyme, 2.it improves the enzymatic catalysis, so it possess ... denitrification, good hydrophile, high biological activity and so on. Bio waste water treatment filter Technical SpecificationDiameter*Height(mm)12*1011 ...