Designed for the Fluval C4 Power Filter, Fluval C4 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 C4 Power Filter
Effectively performs the first and second stages of mechanical filtration
Porous foam side captures large particles
Dense polyester side traps finer debris

Other sizes available:

14009 Fluval C3 Poly/Foam Pad, for Fluval C3 Power Filter
14010 Fluval C4 Poly/Foam Pad, for Fluval C4 Power Filter,