Whisper bio-bag cartridges complete the Whisper power filter package for a clean, easy-to-maintain aquarium. The Whisper bio-bag multi-packs come unassembled and offer economical pricing on larger quantities.

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

Easy to Assemble, Easy to ReplaceTetra