Penn Plax Cascade Power Aquarium Filters Bio-Sponge 300
Size:300 Replacement Bio Sponge for the Cascade Hang On 300 power filters. Sponge is ideal for growing beneficial bacteria.
Product Features
- Replacement Bio Sponge
- Cascade Hang On 300 Power Filters
- Sponge Is Ideal For Growing Beneficial Bacteria
- Perfectly Cut To Fit Into The Cascade 300 Hang On Filter Tray Without Any Gaps Which Could Allow Pollutants To Re-Enter The Water
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