Premium Champagne Powder Coating: This advanced champagne-finish coating provides rust resistance and durability, maintaining its like-new appearance for over 3 years. Independent Adjustable Roofs: Four independently adjustable louvers (0°-90°range) enable customized control of sunlight and rain protection. Heavy Duty Frame：This 4.3-inches wide aluminum posts feature 15% thicker than standard louvered pergola, which provides wind resistance up to 72 mph. Integrated Drainage System：Equipped with a integrated drainage system to prevent water accumulation and keep the outdoor furniture dry. Protection Plan: 1 year for frame construction. Easy to instal with detailed insturction. This adjustable PURPLE LEAF louvered pergola allows you to control the sun by easily opening or closing the louvers. The aluminum pergola combines functionality and style, making it perfect for patios and gardens.