These four stages of filtration to produce pure water. The base RO/DI system can produce 1 to 1.5 gallons of pure water per minute. When you add a pump you can get up to 4 gallons per minute to run 4 or 5 poles simultaneously. Clean up to 10x faster than traditional methods and all from the safety of the ground. Reach up to 3 stories off of just tap pressure, or over 5 stories with a pump! This system is designed for maximum efficiency. It includes 100 feet of hose to hook up to your customers' water supply. Also includes a TDS meter to check the quality of the water you are producing and a filter set. Let your business run faster than ever with the Hydro Cart 2X.