Penn Plax Bio-Sponge For Cascade 170 Internal Filter
2.99 GBP
These Bio-Sponges are specifically designed for the Cascade 170 Fully Submersible Internal Filter, and serve as a replacement for when it's time to cycle out filter media. The Bio-Sponges aid with keeping the water inside your tank crystal clean, allowing for a safe and healthy environment.Price Drop
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