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