Coolaroo shades are available in different colors and sizes and are well received by Home Depot customers. Alpha Open Louver is also available in many different colors and sizes and is reviewed highly by Amazon.com customers.
Most reviewers like the style of the Alpha Louver, noting how much they add to the style of their home. Some reviewers lament the lack of packaged screws. One reviewer warns the advertised dimensions are slightly longer than the actual dimensions. The length of this reviewer's Louver is half an inch shorter.
What most reviewers like about the Coolaroo shades is how well it blocks out light. Coolaroo advertises 90 percent ultraviolet light reduction.