... 2. We will supply with all information to u ,about package, weight,3. Except the size we have now , We also can ... , it improves the enzymatic catalysis, so it possess excellences of larger specific surface, being easy to multiply biofilm, unease to fall off, ... is new-developed media for the MBBR process, has better treatment effect compare to traditional media.Welcome to inquiry our productsZY K3 media ...