These poly fiber floss and activated carbon media cartridges are specially designed for the NuWave Betta Fish Tank Kit. These ready-to-use cartridges allow for simple and easy filter media replenishment. There’s no need to cut or combine other filter media! For best results, replace cartridges every 6 – 8 weeks. Clean & Healthy: These filter media cartridges trap floating particulate matter, remove harmful chemicals and toxins, clear up discolorations, and reduce foul odors from your aquarium’s water. They help keep water inside your tank crystal clean. Measurements: Overall for Each = 2.1” (W) x 0.75” (D) x 4” (H). Various Quantity Packs Available: Our Replacement Filter Media Cartridges for the NuWave Betta Fish Tank Kit come in three different quantity packs: 1-Pack, 3-Pack, and 6-Pack.
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