Maytronics Dolphin 9995707 Handle AssemblyThe Maytronics 9995707 is a handle assembly specifically designed for the Dolphin Heavy Duty robotic pool cleaners. It features a blue and yellow, or alternatively black and blue, durable construction engineered to withstand exposure to water, chemicals, and UV rays. This handle is compatible with models such as the Dolphin Heavy Duty 9999389 BL4, 9999389 HD, and ProX2 9999393X BL.