Features: The Chimney Rain Caps PVC Breathable Caps to effectively prevent rain and wind from entering your chimney or ventilation system, ensuring performances and protection. from and friendly PVC material, this Vents Caps features a rigid and assembly method, providing long durability and aesthetically pleasings appearance. for homeowners and builders looking to enhances their roof ventilation systems, this Caps for those who prioritize both functionality in their home improvement projects. Suitable for various applications such as roof vents, stove pipe caps, and air exhausts, this Caps can be used in residential, commercial, or industrial settings to protect against . with integrated bird guard, this all purpose chimney hood not only safeguards your pipes from weather damage but also prevents birds from nesting, ensuring a clear and efficient airflows. Specifications: Materials: PVC Inner diameter of the middle circular tube: 11cm Height: 9.5cm Outer diameter: 19cm Package Includes: 1PC Chimney Rain Caps note: Please allow 1-3mm error due to manual measurement. make sure you not mind before bid. Due to the differences between different monitors, the picture may not reflect the actual of the item.