Hagen Fluval Ammonia Remover 3-Pack

Fluval Ammonia Remover is a natural ion-exchange media designed to remove toxic ammonia as water passes over it. Controlling ammonia levels reduces stress on fish. Use this product to provide a healthy environment when setting up a new aquarium or maintaining one that contains a higher than average fish stock. For freshwater use only. For filter models: 105, 205, 305, 405, FX5, 104, 204, 304, 404, 103, 203, 303, 403

Fluval Ammonia Remover filter
material, 3 x 180 g (6.3 oz), packed in
a colorful display box. Suitable for all
Fluval External 03/04/05 filters.