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Fluval Aquarium Pre Filter Media 750g

Fluval Pre-Filter consists of inert, solid ceramic rings used to trap large and medium solid particles before they clog the finer sieves of the modules above. The diversified water flow allows establishment of biological activity on the surface of the rings, adding to the overall biological action on ammonia and nitrite. Place in the bottom of any external filter for brilliant mechanical and biological filtration

£12.49