The Cascade 80 Power Filter Cartridge is a disposable floss/carbon replacement cartridge designed to fit the Cascade 80 Power Filter. The cartridge comes ready to use with 1 ounce of premium activated carbon. Precision designed to fit the Cascade 80 FilterQuick easy ready to useContains 1 ounce of research-grade activated carbon - more than any comparable size cartridge

• Cascade 80 replacement cartridges: This 3-Pack of Cascade Poly Fiber Floss and Activated Carbon Media Cartridge is specially designed for Cascade 80 Power Hang-On Filters allowing for simple and easy media replenishment. Safe for freshwater and saltwater aquariums.
• Double-sided: Each media cartridge contains finely constructed Poly Fiber Floss at the front and 1 ounce of research-grade Activated Carbon at the back. Furthermore the internal rib structure evenly distributes Carbon throughout the cartridges for the most effective filtration.
• Clean & healthy: These pieces trap floating particulate matter remove harmful chemicals and toxins clear up discolorations and reduce foul odors from your aquariums water. They help keep water inside your tank crystal clean.
• Measurements: 5.25 x 2.75 x 0.75 each.
• Shop penn-Plax for all your pets 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.