Begin your aquarium journey with the most advanced AIO (All in one) aquarium safety features and award winning quality designs. The Fusion Cube comes standard with a built-in emergency overflow, preinstalled leveling mat, 200 micron filter sock and adjustable DC return pump. This nano desktop cube aquarium makes the hobby easy for saltwater or freshwater. Explore customizable add-ons once you are acclimated into the hobby. Add a mesh screen lid cover, custom caddy with advanced filter media, dual return nozzles, controllable DC return pump and even an algae cleaning magnet.