The biological membrane packing is an innovative and highly efficient biological reaction filling specifically designed for biological filtration and water treatment processes. It provides an ideal growth environment for microorganisms through its unique structure and high specific surface area, thus enhancing the overall performance of the biological treatment system. Model: Biochip Spec: ⌀30*1.1 mm Surface area: >5500 ㎡/m3 Life span: >15 years Packing numbers: >340000 pcs/m3 Material: HDPE