Just how big is the new REEFER 3XL 900? Find out why it is a system from another dimension (tip:wait for it at the end ;) ). With a 900 liter (240 gal) capacity, 200cm (79″) long and 65cm (25.6″) wide and high, this beast of a system is not only bigger, but it also has unique features that enhance your freedom to create a truly spectacular reef! A unique split sump system provides unmatched flexibility- the main sump used for the main filtration functions and the extension sump wher you can add