This ProMax Reverse Osmosis is a fantastic system that is rated at 17,000 gallons of water per day. This system is built with quality, stainless steel housings, Goulds pump, and a re-circulator to save water and money. The tds monitor for in and out water is a great feature. This system also comes with a control panel that gives the operator ease of use and all functions at your fingertips. Very easy to install, simple to operate, and our trained staff provides technical support. Feel free to call if you have any questions at 1-888-309-2837.