MBBR Packing filter media: 1.material:PP,PVC,CPVC,PVDF 2.Big surface area, ... : PP,PVC, CPVC, PVDF MBBR Packing media features and advantage:1. It modified polymeric materials with the promoted additions of bio-enzyme ... biological activity and so on.MBBR Packing is a professional media for water treatment, expecially for MBBR . Its Widly application scope ...