Fluval zeo carb 450gis a premium blend of fluval carbon and fluval ammonia remover working together these highly effective media eliminate liquefied impurities odours and discoloration while at the same time removing toxic ammonia for a clean healthy aquariumr the 450g pack comes with 3 x sachets of fluval zeo carb making it simple to place the media anywhere in your filter without the need for an additional media bagr combining two products into one gives you more space in your filt