Whisper Bio-Bag Replacement Cartridges, X-Large 4 Pack


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Whisper® Bio-Bag® Replacement Cartridges Size X-Large, 4 Pack

Whisper® Bio-Bag® Cartridges complete the Whisper® Power Filter package for a clean, easy-to-maintain aquarium. The Whisper® Bio-Bag® multi-packs come unassembled and offer economical pricing on larger quantities.


XL-Whisper 4 and 5, TetraTec 300 and 500

Bio-Bag Size BFA Item #
X*Large 4 pack TE26167


1. Rinse Bio-Bag• under cool tap water to remove carbon dust.
2. Open lid and insert Bio-Bag into filter.
3. Replace clogged Bio-Bag when there is reduced water flow out of the filter.

For best results, change Bio-Bag monthly or sooner, if required.