Marineland Replacement Bio-Wheel for Eclipse 2, Emperor 280B &400B Filters

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This Marineland Replacement Bio-Wheel is for the Eclipse 2, Emperor 280B and 400B Filters. As the Bio-Wheel rotates, beneficial bacteria grow and thrive on its super dense surface. As water flows, the bacteria eliminate ammonia and nitrite on contact.

  • Irregular rotation of the Bio-Wheel is also normal
  • Discoloration of pleated Bio-Wheel material is normal and desirable
  • A Bio-Wheel rotating at any speed is working to eliminate toxic ammonia and nitrite

Note: Marineland Bio-Wheel should not be replaced unless damaged.