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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.
Size: Large, 12-Pack
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Would be five stars if the charcoal would stay put in the bag, always seems to pull away from the frame. Then I have to reclean the whole turtle tank.Published 23 hours ago by kathryn hill
These are simple to use, and more economical than buying the pre-filled cartridges we used to get. I was hesitant to try them at first, thinking they'd be messy and a hassle. Read morePublished 1 day ago by Chrissy
If you're buying these you already know why you need and why. Bags are of good quality, and it's nice to be able to easily decide for myself how much carbon I want to use.Published 1 day ago by Lotus815
Filters are exactly as pictured. They work great and are reasonable priced.Published 1 day ago by SK
Excellent product. Way cheaper than the store. Works like it should. The blue clip was a bit difficult to get on, but it held tight once on.Published 3 days ago by Breezy