Designed for the Fluval C3 Power Filter, Fluval C3 Poly/Foam Pad effectively performs the first and second stages of mechanical filtration. In stage 1, the porous foam side captures large particles. In stage 2, the dense polyester side traps finer debris.
Key Features:

For Fluval C3 Power Filter
Effectively performs the first and second stages of mechanical filtration
Porous foam side captures large particles
Dense polyester side traps finer debris