• Keep your tank clean and clear with the genuine Penn Plax filter cartridge to fit your Cascade 300 GPH hang-on power filter model CPF5. Sold in 3 pack.
• Activated carbon is great for freshwater aquarium filtration. It has the ability to remove odors, and water discoloration by trapping the pollutants in the pores of the carbon.
• The poly-fiber floss barrier screens out particulate matter and debris keeping the water clean, clear, and healthy.
• No assembly required keeping your hands clean. Easily install into interior compartment of your hang on filter. Suitable for freshwater and saltwater tanks.
• Internal filter cartridge comes in either Blue or Black plastic - and both are identically measured to fit into the Cascade 300 filter tray without any gaps preventing debris and contaminants from passing through back into the water.

Product information