Prodigy M by ESHOPPS is a addition to the Color Series that combines Innovation and Creativity at it's core. It was created for the advanced aquarist with effeciency and beauty in mind. The Prodigy is the slimmest overflow box ever created, an elegantly built rear external box that notably saves space within the tank. It includes everything that you need for "Plug and Play" installation. It features: World's Slimmest overflow, Adjustable water height, Strainer Baffle, Diamond Hole Saw & Template Guide Included, Recessed External Overflow Cover.