Tetra Whisper Bio-Bag Disposable Filter Cartridges remove odors and impurities from the water for a pure aquatic environment. The easy to assemble Bio-Bags make aquarium maintenance easy. Highly absorbent carbon removes odors and discoloration, while dense mesh catches debris to provide clean, clear water for your aquatic pet.

Features:

• Highly-absorbent carbon removes odors and discoloration for clean, clear aquarium water
• Dense, dual-sided mesh catches debris and fish waste to help maintain purity
• Convenient, easy to assemble Bio-Bags are easy to use