Tetra Whisper IQ & PF Bio-Bag Filter Cartridges - 8 Count

Widely Compatible This replacement cartridge is compatible with a variety of popular internal and external power filters, including the Tetra Whisper 20i and 40i, Whisper External Filters PF20, 30, 40, 60, Whisper External Filters IQ20, 30, 45, 60, and TetraFauna ReptoFilter 50 gallons (125 GPH).

New Upgrade - Dense Double-Sided Mesh: Effectively filters debris and fish waste, ensuring clean water. - Super Activated Carbon: Eliminates odors and prevents yellowing, filtering out impurities. - Negative Ion Balls: Neutralizes the pH of the water, enriching it with oxygen.

Easy to Use The replacement filter element is fully assembled and ready to use, simplifying maintenance and promoting fish health. Replace monthly, or sooner depending on the number of fish in your tank. Additional negative ion balls enhance water quality.

Fish Tank Filter Cartridge A ready-to-use disposable single pack, featuring a sturdy frame and grid that evenly distributes activated carbon. This keeps your tank water clear and healthy, providing cleaner glass. The carbon content matches the original, distributed evenly and more tightly.

What You Get Each package includes 8 large filter cartridges, fully assembled and ready to use. Enjoy higher quality, better filtration, and improved water purification effects. Should you have any questions regarding the product or its usage, feel free to contact us, and we will do our best to assist you.