Shade louvers in anodized aluminum resist chalking, offer crisp lines
https://www.livebinders.com/b/3715156?tabid=c56a22af-8f4f-04c5-ed97-d53caf3cf1b6
Shade louvers in anodized aluminum withstand chalking, supply crisp lines, and can be angled to obstruct high summertime sun while welcoming lower winter light.