The Sioux Chief 868-P3W is a 3-inch PVC roof drain featuring a poly dome and extended weathering design. This roof drain is engineered for efficient water management, preventing pooling and potential damage to roofing systems. The durable PVC construction ensures resistance to corrosion and UV exposure, making it suitable for various climates. The poly dome helps to prevent debris from entering the drainage system, ensuring optimal performance. This roof drain is compliant with industry standards, making it a reliable choice for both residential and commercial roofing applications.