With a wide range of widths and frames to help achieve that special look. Specification: Louver/blade (W): 2, 2.5, 3, 3.5, 4.5 inches (10 and 11mm thickness)Customized sizes availableStructure: integrated, anti-deformation Features: Abundant designsEasy to installLouver adjustable for air permeability, sunlight, sound, heat, environmental-friendlyColors: refer to color swatch, or customized color ...