Whisper bio-bag cartridges complete the Whisper power filter package for a clean, easy-to-maintain aquarium. Product Features Easy to Assemble, Easy to Replace The Whisper Bio-Bag multi-packs come unassembled and offer economical pricing on larger quantities Three stage filtration

Whisper bio-bag cartridges complete the Whisper power filter package for a clean, easy-to-maintain aquarium.

Product Features

  • Easy to Assemble, Easy to Replace
  • The Whisper Bio-Bag multi-packs come unassembled and offer economical pricing on larger quantities
  • Three stage filtration