UWF Disconnect Kit: D29 universal quick disconnect wall adapter compatible with Polaris 180, 280, 380, 480 Pro, 3900 Sport pool cleaners. 9-100-9002 Pressure Regulator: compatible with Polaris 480 Pro, 3900 Sport, Vac-Sweep 380, Vac-Sweep 280, 280 TankTrax pool cleaners. High Quality These parts are made of strong, wear-resistant ABS plastic and have been thoroughly tested by the manufacturer to ensure high durability and long life. Powerful: 9-100-9002 Pressure Relief Valve: When the pressure in the line exceeds the spring tension, the spring opens and releases excess pressure. Fully bolted together for maximum pressure and speed; D29 UWF Quick Disconnect: This is the main body of the wall controller that provides a twist lock on the pool wall. It is not manufactured or sold by Polaris, but has the same performance as the original product. Product Description Note: Due to the light and screen difference, the color displayed may be slightly different from the actual item. The