Features: *PVC Material: Constructed from environmentally friendly PVC, this drain cover ensures long-lasting performance while resisting degradation over time. *Acid and Alkali Resistant: Designed to withstand harsh environmental conditions, the material effectively resists damage from acidic or alkaline substances, making it suitable for various outdoor settings. *Efficient Debris Blocking: The raised ball-shaped design effectively intercepts debris, avoiding blockages and providing a clear drainage path for rainwater on your rooftop or balcony. *Drainage System: With its direct flow design, this drain cover facilitates quick drainage, reducing the risk of water accumulation and potential flooding on your outdoor surfaces. *Thickened Pipe Wall: The reinforced pipe wall enhances durability, extending the product's lifespan and making it can handle heavy usage without compromising its effectiveness. Specifications: *Product Name:Vent Cover Hood *Material:PVC *Size:As shown in the picture *Color:White Package Content: 2 *Vent Cover Hood Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data. [LONG-LASTING PVC CONSTRUCTION] This vent cover hood is made from PVC material that promises extended performance while resisting environmental degradation. [PROTECTIVE AGAINST ACIDIC CONDITIONS] Designed to endure harsh weather elements, it effectively guards against damage from acidic or alkaline substances found outdoors. [DEBRIS BLOCKING DESIGN] The unique raised ball for shape efficiently blocks debris from entering your drainage system, keeping your rooftop or balcony clear and functional. [EFFICIENT DRAINAGE CAPACITY] The direct flow design allows for quick drainage of water, significantly reducing the chances of accumulation and flooding on outdoor surfaces. [REINFORCED PIPE WALL FOR DURABILITY] With its thickened pipe wall construction, this product can handle rigorous usage without compromising its performance.