At last! A Spectra Watermaker designed and engineered for the smaller vessel. The Ventura 150 difference is its energy efficiency, light weight, and self regulating system. The Ventura is an affordable, and compact watermaker with all the great features Spectra has become known for. The Ventura 150 is easy to install and use, quiet, very energy efficient, and it delivers over six gallons of fresh product water (24 liters) per hour.