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REPLACEMENT FILTER CARTRIDGE: Keeps aquarium water clear – removes odors and discoloration and helps reduce buildup on aquarium glass.
STAY CLEAN TECHNOLOGY: By maintaining healthy pH levels, creates easier maintenance for healthier fish.
FITS TETRA WHISPER AQUARIUM FILTERS: Color coded to make it simple to remember which cartridge size to purchase.
CONVENIENT: Pre-assembled, ready to use and easy to replace.
USAGE: Change monthly or sooner if needed.

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Frequently asked questions

Shipping takes place within 3-5 business days. If there is a problem with the shipment of the product, we will notify you via the email address you entered when ordering.

We do not currently offer free shipping. However, this may be added at some point. We apologize.

If your order has been shipped, we will add the tracking number to your order and notify you via the email address you entered when ordering.

For returns or exchanges, please contact us within 14 days of receiving the product, along with a receipt or screenshot of the purchase, and a photo of the product with the packaging or tag intact.

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Tetra Bio-Bag Filter Cartridge 1 Count, for Aquariums, with Stay Clean Technology, Ready to Use Medium Filter

Tetra Bio-Bag Filter Cartridge 1 Count, for Aquariums, with Stay Clean Technology, Ready to Use Medium Filter

About This

Goes well with...

Frequently asked questions