Designed for the Fluval C4 Power Filter, Fluval C4 Foam Pad is highly porous, with a large surface area that mechanically filters large particles and debris from the aquarium, creating for a healthy and clean aquatic environment.
Key Features:

Designed for Fluval C4 Power Filter
Highly porous
Large surface area mechanically filters large particles and debris from the aquarium
Creates a healthy and clean aquatic environment

Other sizes available:

14005 Fluval C2 Foam Pad, for Fluval C2 Power Filter
14006 Fluval C3 Foam Pad, for Fluval C3 Power Filter,