Designed for comprehensive water care, the Turbo 500 Internal Filter provides aeration and two stage mechanical and biological filtration. Adjust the Turbo Filter to fit your aquarium's specific needs by using a variety of filter media cartridges. Turbo 500 Internal Filter is easy to install and operate and can be customized for ideal filtration. Configure the filter in a sponge only, container only or a container plus sponge configuration. Features a universal mounting system using powerful suction cups to fit any tank. For use in fresh and saltwater aquariums. Filter aerates aquarium while its running for maximum efficiency. Includes: Container for loose media with 250 ml capacity, starter filling of BioCeraMAX Pro 600 biological filtration cartridge, sponge, set of accessories for installation.