Aqua-Tech EZ-Change Aquarium Filter Cartridge
AQUA-Tech EZ-Change Filter Cartridges are color-coded for fast and easy selection. These cartridges contain AQUA-Tech premium Activated Carbon for maximum filtration and require no messy assembly—simply change in seconds by shaking and rinsing. The EZ-Change #2 Filter Cartridge fits AQUA-Tech 10-20 Power Filters.