... , 11*7mm,25*8 ZY MBBR media also called as K1(kaldness media), K3 media, It is one of the bio ... : PE, PP, Aslo can produce as you need Mbbr Media(K1, K3)introduction: mbbr media is a new kind of suspension ... , good hydrophile, high biological activity and so on. Mbbr Media(K1, K3) Technical Data: Specification25*9 mmNumber/m³135256Surface area500 m ...