The CRYSTAL QUEST Commercial Reverse Osmosis System 7000 GPD is ruggedly designed and manufactured for dependable and simple operation. These units provide a higher output of continuous quality demineralized water for many industrial applications such as restaurants, pharmaceuticals, bottled water, plants, coolant or chemical mixing, and the list goes on. RO units are completely assembled and shipped ready for a trouble-free installation and startup. All units are factory tested prior to delivery to ensure quality and performance. CRYSTAL QUEST Commercial Reverse Osmosis 7000 GPD Water Filter System features all of the following: Four 4 inch x 40 inch TFC membranes, 1.5 HP multistage pump and motor; 110 or 220 volt, 50 or 60 hertz and single phase; Frame is aluminum, white powder coated, corrosion resistant, and lightweight; One 4.5 inch x 20-inch 5 micron sediment, one 4.5 inch x 20-inch 1 micron sediment and one 4.5 inch x 20-inch carbon block Prefilters; Two 2.5 inch 0-300 psi panel gauge and two 1.5 inch 0-160 psi top mount gauges, Low pressure switch (Safety device to protect the pump from running dry), Solenoid valve with manual override; 110 Volt 60 Hertz, or 220 Volt 50 Hertz and One 1/4-inch stainless steel needle manual flush valve that regulates the product to waste ratio (system recovery); One computer controller, 110 or 220 volt with pre-treat lockout, tank full contacts, low pressure monitoring and alarm, One product water (0-10 GPM) and one waste water (0-10 GPM) flow meters and One panel mount TDS meter.