Hayward 925CS Navigator Automatic Pool Cleaner for Concrete Pools Patented SmartDrive programmed steering pattern ensures the entire pool is cleaned quickly and completely Unique turbine/gearing system provides constant and balanced water flow assuring quiet operation and gentle movement across the pool bottom Wider cleaning path handles pollen, sand, twigs, leaves and pebbles with ease Longer wearing components (wings, flaps and shoes) for additional product longevity Streamlined head design in deep maroon (vinyl) and silverado grey (gunite)