- 1). Hang the Tetra Whisper Power filter from the rim of the tank.
- 2). Remove the lid from the top of the filtration system with your hands.
- 3). Take the new filter cartridge out of the package. Insert the filter cartridge into the cartridge slot in the middle of the filtration system behind the plastic frame.
- 4). Return the lid of the filter to the Tetra Whisper power filter system.
- 5). Plug the power cord into an electrical outlet to turn on the filter.
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