Factory PVC 90 Degree Elbow Roofing Material Roof Water Collector Drain Pipe. 30-Year Lifespan: Durable PVC/ASA material ensures a product life time of up to 30 years for roof drainage systems. Fade-Resistant Color: ASA double-color coextrusion technology prevents color fading, ensuring long-lasting aesthetic appeal. Cost-Effective Solution: PVC gutters are significantly cheaper than metal alternatives, costing approximately USD 200 for a middle-size house. Easy Installation: Lightweight design and fewer accessories allow for easy cutting and installation without special tools. High Water Capacity: K-style design carries twice as much water as U-shaped gutters, providing superior drainage performance. Weather Resistant: Withstands extreme weather, high temperatures, acid-base erosion, and UV radiation effectively. Customizable Options: Offers custom made colors and flexible customization options for certificates and applications. Eco-Friendly Material: Made from lead-free ethylene polymer material that is fully recyclable and safe for the environment.