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Cascade Bio-Sponge Canister Filter Insert for Cascade 700 & 1000 Canister Filter

Penn-Plax Cascade Bio-Sponge Canister Filter Insert for Cascade 700 & 1000 Canister Filter

Regular price
$8.50
Sale price

The Replacement Cascade Bio-Sponge for the Cascade Internal Filter optimizes colonization of beneficial aerobic bacteria and removes ammonia and nitrites.

  • Quick & Easy to replace.
  • Convenient - no fuss replacement sponge.
  • Replace monthly for optimum water quality.