Reviewed by more than 100 consumers, more than 78% of the reviews about this Penn Plax filter accessory had positive sentiment, meaning that these customers would probably advise purchasing this product when asked about a recommended filter accessory.
$2.49 (as of 14/01/2019 20:20 PST details )Features:
- Replacement Bio Sponge
- Cascade Hang On 100 power filters
- Sponge is ideal for growing beneficial bacteria