Ecosystem 60 Refugium gives you all the benefits of the EcoSystem 40 system, but with larger capacity! EcoSystem 60 Specifications: - Supports 40 - 60 gallon tanks - 30in W X 4.5in D X 11.5in H - Requires 5 inches between back of tank and wall - Fits all glass and most acrylic tanks - Removeable and adjustable skimbox EcoSystem 60 Includes: - Refugium Tank - Skim Box