Tetra Whisper Bio Foam Grid replacement kit. Bio Foam provides an extreme amount of surface area for optimal biological filtration in the Tetra In Tank Whisper power filters. The Bio-Foam Grid fits the Whisper In-Tank Power Filter.
- Replacement Bio-Foam Grid for Tetra Whisper In-Tank Power Filter
- Provides extreme surface area for optimal biological filtration
- Includes foam and a plastic frame
Each Whisper Bio Foam Kit includes foam and a plastic frame. For best results, replace the Bio Foam Grid according to the manufacturers recommended maintenance schedule.