The Penn Plax Cascade Power Aquarium Filters Bio-Sponge is a replacement sponge designed to fit Cascade hang-on power filters. This biosponge allows your aquarium filter to neutralize harmful toxins like ammonia and nitrates while encouraging the growth of beneficial aerobic bacteria. Penn-Plax is a family-owned company in operation since 1959. They specialize in creating excellent pet supplies for animals both great and small. Best known for producing pet products at affordable prices, the Penn-Plax brand is synonymous with innovation and quality, keeping your pet foremost in mind. (PLX030-1)
  • Choose from available capacity options
  • Designed especially for different sized Cascade power filters
  • Optimizes the growth of aerobic bacteria
  • Removes ammonia and nitrates
  • Replacement biosponge
ColorAs Shown
Size20 Gallons
Weight1 lbs
Dimensions6 x 1 x 4 inches

Penn Plax Cascade Power Aquarium Filters Bio-Sponge


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20 Gallons