![Tetra Medium Whisper Bio Bag 8 pk Tetra Medium Whisper Bio Bag 8 pk](https://cdn11.bigcommerce.com/s-xfu1s3ki5p/images/stencil/500x659/products/16918/11037/1201018-left-1__04923.1639759771.jpg?c=1)
$13.99
$13.99
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Help keep your aquarium crystal clear with Tetra’s Whisper Bio-Bags. These disposable filter cartridges are easy to use and work to keep your fish tank in tip-top condition. The ultra-activated carbon is designed to absorb discoloration and foul odors while the dense, double-sided mesh works to trap debris and fish waste. These Bio-Bags are designed to fit Tetra's Whisper PF10 and 3i Power Filters (not included). Best of all, they come pre-assembled and ready to use!
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