Aqua One 104F Maxi Internal Filter 1480L/HR Aquariums up to 180ltrsAqua One 104F Maxi Internal Filter 1480L HR Aquariums up to 180ltrs Aqua One Maxi Internal Filters provide biological, mechanical and chemical filtration as well as providing circulation and aeration. With a range of outlet options, these filters can be modified based on the needs of the aquarium. Key Features: Includes suction cups for secure hold in the aquarium. Effective mechanical and biological filtration. Proven reliability. Venturi aeration