Penn-Plax presents the Cascade 300 Filter Replacement Carbon Cartridges. These Activated Carbon Cartridges are specially designed for the Cascade 300 Fully Submersible Internal Filter (CIF1), and serve as a replacement for when it's time to cycle out aquarium filter media, keeping the water inside your tank crystal clean, which allows for a safe and healthy environment.
Chemical Filtration: In addition to absorbing ammonia, nitrites, nitrates, and phosphates in a timely manner, these Activated Carbon Cartridges also remove harmful chemicals and toxins, clear up discolorations, and reduce foul odors from your tank.
Top-Quality Activated Carbon: These Activated Carbon Cartridges come together in a 2 Pack. For best results, replace cartridges every 4 to 6 weeks. With that said, they are refillable, allowing you to customize filtration based on your aquarium's needs.
Measurements: 2.25" (D) x 1.75" (W) x 1.2" (H) each.
Shop Penn-Plax for All Your Pet's Needs: Penn-Plax is a manufacturer and distributor of top quality pet supplies, who specialize in creating excellent pet products for animals, both great and small.
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