Fluval C4 Bio-Screen Pad, Replacement Aquarium Filter Media, 3-Pack

Designed for use with the Fluval C3 Power Filter, the C3 Bio-Screen Pad provides an ideal biological surface area for beneficial bacteria to colonize upon.

Features

Biological filter media

Evenly distributes water flow into the C-series Trickle Chamber for additional biological filtering

Also effective at trapping debris

Convenient 3-pack format

3 x bio-screen pads included