Aluno Easy to Install Bathroom Dustproof Laminated Louvre Jalousie Window Metal Window Shutter Louver Blades. Comprehensive Warranty Coverage: 10-year warranty on structure and 3-year warranty on PVC clips. Flexible Customization Options: Supports flexible, minor, full customization, and design/sample-based orders. Multiple Color Choices: Standard colors include silver, black, white, and brown; custom colors available. Diverse Material Options: Frames made of aluminum or steel; clips and handles in PP, aluminum, or steel. Efficient Ventilation Control: Allows easy adjustment of airflow by tilting blades upward to direct cool air. Versatile Frame Sizes: Frame sizes available in 4-inch and 6-inch options with corresponding clips. Low Minimum Order Quantity: Accepts orders starting from just 1 piece for flexible purchasing. Fast Lead Time: Off-season delivery within 15 workdays; peak season within one month.