Cascade Bio-Sponge for Internal Filters Cascade 400 (1 Pack)


122 in stock

SKU: 030172017605 Categories: , Tag:


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