EVERYTHING YOU NEED - Feature a compact and customizable filtration chamber that is already built-in to the back of the aquarium – easy to setup and maintain. GREAT FEATURES – Includes quiet submersible pump, dual intakes and adjustable return nozzle. Compatible with all existing BioCube accessories. Fish, corals, substrate and décor are sold separately. SLEEK and MODERN – Biocubes feature a rounded edge design and is the perfect innovative all-inclusive aquarium for all needs.. VIBRANT LED LIGHTING - Low-profile hood contains vibrant LED lighting that is capable of sustaining and growing healthy, vibrant corals and live plants. MAXIMIZE BEAUTY - 24-hour timer which makes it easy to control the three independent light channels for maximum beauty: bright white, sparkling blue and color enhancing LEDs. SUNRISE/SUNSET MODE - the automatic 30-minute sunrise/sunset and 60-minute moonrise/moonset function is incorporated to replicate a natural day/Night cycle for your aquatic environment. TRUSTED - Coralife is a trusted brand of marine aquarium parts and supplies. We offer aquarium lighting, filtration products, marine salt mix and more. When aquarium systems require more than just the basics - Coralife steps in.