Sun louvre 1. Nice Appearance. 2. Water proof. 3. Sun resistance and Durable. Sun louvre adjustable louvre frame 1.engergy saving, simple and neat2.keep the room warm in winter and cool in summer3.simple angle adjustment,controning lighting.4.keep the ultraviolet rays from harming the furnitureFeatures:Nice Appearance.The shutter can be adjusted. Sun resistance and Durable. Easy Install and Easy ...