Penn Plax Cascade Power Aquarium Filters Bio-Sponge

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 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.

Penn Plax 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.