The 3" PVC Plastic Roof Drain with Cast Iron Dome is engineered for efficient water drainage on flat roofs. This durable drain features a corrosion-resistant PVC body and a heavy-duty cast iron dome, ensuring longevity and reliability. It is designed to handle high flow rates, preventing water accumulation and potential damage. The drain meets industry standards for performance and safety, making it suitable for both residential and commercial roofing applications. Easy to install, it is an essential component for effective roof drainage systems.