All components are integrated in the main manifolds and there are very few external components like fittings, pipe, valves.These features make the Zen watermakers very compact, with a special ultra-flat design. Zen in fact is designed to fit into tight spaces and can be installed in every positions, horizontally as well as vertically. Not much bigger than a briefcase!The Zen are fitted with new generation Energy Recovery Systems that reduce the electric consumption to a minimum.Zen technology is patented.