Tetra Bio-Bag Filter Cartridges, Large 8 pk

The Tetra Whisper Bio-Bag Disposable Filter Cartridges (Large, 8-Pack) provide complete mechanical and chemical filtration to keep aquarium water clean and clear. Designed for Tetra Whisper power filters, these ready-to-use cartridges contain premium carbon to remove odors, discoloration, and impurities while trapping debris. Easy to install and replace, Bio-Bags help maintain a healthy freshwater aquarium environment with minimal effort.

Large- 20, 30,40 and 60 Power Filters and 20i & 40i Internals