The Weather Louvers are specially designed to match the exteriors of the building. These are available in GI or Aluminum construction for industrial purpose or in sleek looking extruded aluminim construction to suit the modern architecture. The blades are contoured at a specific angle to minimize water ingress. Available in attractive colors or coating to suit various exteriors. A special bird/insect screen is provided as optional to prevent the entry of any flying objects. Coarse filters can also be supplied along with the louver.