UWF Disconnect Kit: D29 Universal Quick Disconnect Wall Adapter Compatible with Polaris 180, 280, 380, 480 Pro, 3900 Sports 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 well tested by the manufacturer, ensuring 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 for maximum pressure and speed; D29 UWF Quick Disconnect: This is the main body of the wall controller, which provides a twist lock on the pool wall. It is not manufactured or sold by Polaris, but has the same performance than the original product. Product Note: Due to the lighting and screen differences, the color in the picture may be slightly different from the actual object . The allowable measurement error is + - 1-3 cm.