Tetra Whisper Bio Foam Grid replacement kit. Replacement bio-foam grid for your Whisper power filter. Bio Foam provides an extreme amount of surface area for optimal biological filtration in the Tetra Whisper power filters.
- Replacement bio-foam grid for Whisper Power Filters
- Provides extreme surface area for optimal biological filtration
- Includes foam and a plastic frame
Tetra Bio Foam aids in the biological filtration of your whisper power filter. 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.