Ciano Nexus Pure 15 Cube Aquarium 25x25x31.5cm The Ciano Nexus Pure 15 Cube Aquarium is the fusion of purity, elegance, harmony, and innovation. Its cube-shaped cubicle-shaped design with polished corners stands out, providing a scene of tranquility and peace in a room at home or workplace. The Nexus 15 is equipped with a Ciano CF40 internal filtration system, optimized for reduced fish stress and with a spray bar that allows a more even distribution of water. It includes a LED illumination stand with an included CLA20 Ciano which is both powerful and economical, to adjust the proper lighting for your aquarium set-up.