Compatible with Maytronics Dolphin and Nautilus CC Plus: these guide wheels and pulley gears are designed to be compatible with the Maytronics Dolphin and Nautilus CC Plus pool cleaners, specially designed for models M200, M400, M500, Dx3, Dx4 and Dx<br> Innovative dual spray fountain design: with an innovative dual spray fountain design, this product offers double the water volume that is sprayed into the air, resulting in twice the fun and excitement for pool users.<br> Adjustable to different pool sizes and shapes: With 360 adjustable height and direction of the horizontal and vertical pipes, this product allows cross water or parallel spray angles, making it suitable for pools of different sizes and shapes.<br> Cool down and relax with a wide and high waterfall spray: Enjoy a refreshing experience in your pool as the wide and high waterfall jet cools the water temperature by 6-10 degrees. It also produces a soothing sound that helps you relax and relieve stress.<br> Cost-effective and low maintenance: No additional electricity or maintenance fees are required to use this product. It provides a cost-effective solution to improve your pool experience at no additional cost.