Strategically engineered, the six turbo jets provide both bottom lift and direct force for optimal workout dynamics. A dedicated pump system provides output flexibility from0 to more that 900 gallons per minute to challenge any level of swimmer. Pump, motor and electrical equipment are located at the opposite end from steps for easy access. The Swim Spa measures 15' x 7' 10" x 4'. Year round use for the whole family. Swim a mile, without making a turn.