Penn Plax Cascade 400 Internal Filter Replacement Cartridges (3-Pack Bio Foam);
Penn Plax Cascade 400 Internal Filter Replacement Cartridges (3-Pack Bio Foam)

Bio-Sponge filter media works to keep your aquarium water clean & clear. Specially designed to fit your Cascade Canister Filter Pump, Bio-Sponge filter media optimizes the colonization of beneficial aerobic bacteria and remo...

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Bio-Sponge filter media works to keep your aquarium water clean & clear. Specially designed to fit your Cascade Canister Filter Pump, Bio-Sponge filter media optimizes the colonization of beneficial aerobic bacteria and removes ammonia and nitrites keeping your aquarium clean and healthy. Bio-Sponge filter media comes in various sizes made to fit your exact Cascade Internal Filter Pump.

  • Convenient 3-Pack of Bio Sponges
  • No-fuss replacement cartridges for your Cascade 400 internal power filter.
  • Optimizes the colonization of beneficial aerobic bacteria.
  • Easy-to-replace disposable filters.
  • Convenient 3-Pack of Bio Sponges
  • No-fuss replacement cartridges for your Cascade 400 internal power filter.
  • Optimizes the colonization of beneficial aerobic bacteria.
  • Easy-to-replace disposable filters.

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