Tetra Whisper Bio-Bag Cartridges complete the Whisper Power Filter package for a clean, easy-to-maintain aquarium. The Tetra Whisper Bio-Bag multi-packs come un-assembled and offer economical pricing on larger quantities.
- Replace Bio Bag filter cartridges monthly
- MEDIUM Bio-Bags Fit - Whisper 10, 10i, E, J, & Micro Power Filters
- Cartridge Dimensions: 3.5"L x 5.5"H
Filled with Ultra-Activated carbon, the ready-to-use disposable single packs remove waste particles, odors and discoloration, and are easily changed once a month. It is recommended that you replace your Tetra Whisper Bio-Bag when water begins to overflow excessively from the Wonder Tube chamber.