The Drain ABS 4-inch Standard Roof with Overflow by Sioux Chief Manufacturing is a reliable drainage solution for flat roofs. Constructed from high-quality ABS plastic, this drain is lightweight yet durable, ensuring long-lasting performance. The 4-inch diameter is ideal for standard roof applications, while the overflow feature provides additional safety against water accumulation. This drain meets industry standards for performance and is easy to install, making it a preferred choice for contractors. Its design ensures efficient water flow and prevents clogging, making it suitable for both residential and commercial roofing systems.