Produces up to 200 GPD (gallons per day) of ultra-pure, low PPM water. Removes 98%+ of chlorine and contaminants. Wastes approximately 25% less water than other RO Systems. Everything included in the box for quick hook-up. Customized for gardening and hydroponics. Choose from a 3:1 or 2:1 waste to product water ratio (both included with unit).