About the product
- REPLACEMENT FILTER MEDIA: This Bio-Sponge is specifically designed for the Cascade 400 Fully Submersible Internal Filter (CIF2), and serves as a replacement for when its time to cycle out filter media with a replacement.
- PHYSICAL & BIOLOGICAL FILTRATION: This replacement Bio-Sponge optimizes the colonization of anaerobic bacteria, along with providing mechanical filtration that traps large particulate matter.
- 1-PACK: The package only contains a single Bio-Sponge. Although they are disposable, they can be reused time and time again. Simply clean the Bio-Sponge in a separate container with some of your aquariums water. This allows for the colony of anaerobic bacteria to remain intact within the Bio-Sponge.
- MEASUREMENTS: 2.2
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