Aquatop Replacement Carbon Canister Filter Cartridge for FORZA Filters For FZ9 Models

The Aquatop FZ7-RCI Replacement Carbon Cartridge Insert is made of a strong poly-fiber which collects organic debris for easy removal. Filled with Aquatop's Activated Carbon, these innovative and unique replacement canister filter cartridges are extremely easy to use and install and help keep aquarium water crystal clear and free from odor.