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Cascade Bio-Sponge for Internal Filters

by Cascade
Save up to $3.92 Save $3.71
Original price $13.00
Original price $10.12 - Original price $13.73
Original price $13.00
Current price $9.29
$7.23 - $9.81
Current price $9.29

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

  • Quick and easy to replace
  • Convenient, no-fuss replacement sponge
  • Replace monthly for optimum water quality

Specifications: Fits Penn-Plax Cascade 300 Internal Filter