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Tetra Bio Foam Grid for Whisper In-Tank Filter
|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.|