Achieve crystal-clear water in your aquarium with the Fluval FX-UVC In-Line Clarifier. This innovative product, designed by Fluval, is specifically made for aquarium use and is compatible with FX2, FX4, FX5, and FX6 models. The in-line clarifier effectively clears the water, ensuring a clean and healthy environment for your fish. Say goodbye to cloudy water and enjoy a pristine aquarium with the Fluval FX-UVC In-Line Clarifier.