About the product
- REPLACEMENT FILTER MEDIA: These Bio-Sponges are specifically designed for the Cascade 170 Fully Submersible Internal Filter (CIF4), and serve as a replacement for when its time to cycle out filter media.
- PHYSICAL & BIOLOGICAL FILTRATION: These replacement Bio-Sponges optimize the colonization of anaerobic bacteria, along with providing mechanical filtration that traps large particulate matter.
- 2-PACK: The package contains 2 Bio-Sponges. Although they are disposable, they can be reused time and time again. Simply clean the Bio-Sponges in a separate container within some of your aquariums water. This allows for the colony of anaerobic bacteria to remain intact within the Bio-Sponges.
- MEASUREMENTS: 1.2
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