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- Biological sponge filter
- Supports thriving beneficial bacteria growth
- Reduces and controls ammonia and nitrite
- More efficient than most biological filter media
- For use in freshwater aquarium
- Sponge size height 8.5cm, width 12cm
- total hight 16cm
- Choosing a selection results in a full page refresh.
- Press the space key then arrow keys to make a selection.