• 9 total C2 Poly-Foam Pads
• Replacement media for the Fluval C2 Power Filte
• Performs the first and second stages of mechanical aquarium filtration
• In stage 1, the porous foam side captures large particles from your fishes' water
• In stage 2, the dense polyester side traps finer debris to completely clean your tank's water and extend the life of your other filtration media