... , fish farming, aquarium, Koi filters and wastewater treatment.New bio-filler is a new suspension bioactive carrier, it according to the ... deodorization tower packing.2. The technical indices of new bio-filler: SpecificationmmΦ25X12Φ25X9Specific gravityg/cm3>0.96>0.96Heaping numberPCS ... -spanyear≥10≥10PH5-115-11 New Biocell filter media ,Bio-filler, MBBR bio media , MBBR biocarrier