Product Name: Aluminum Louvers (http://www.chinalouvers.com/Aluminum-Louvers-33.html)
Model No: CLWL

Commercial Louvers
Louvers allow air into a building, while keeping out undesirable elements from mother nature like rain, water, dirt, and debris. They also add the extra element of aesthetic design to a building exterior. Use your air intake or ventilation requirements to improve the look of any building.

Wall Louvrs -water proof-CLWL
Water proof Louvers has many design depend on customer and application