... media ,Color;. white& balck ,or as u need 2.Material: PP.PE 3.Available size:10*8mm, 11*7mm,25*8 ... States, United Kingdom, And Australia. ZY Mbbr Packings material: PE, PP, Aslo can produce as you need Mbbr Media(K1, K3 ... ----N:99%Ratio of filling15%-65%Voidage95%Efficiency of denitration675Nox-N/(m³.d)oxidation efficiency of BOD56000g BOD5/(m³.d) Technical Index of Biomini-pack ...