The ALL-583 series Louver light is a quality powder coated die-cast aluminum fixture for use on perimeter illumination applications. The unit is available in 2, 3 and 4 teir options and equipped with a high impact resistance glass lens and quality gaskets to seal the unit in the harshest environments. Several color options for the fixture and lens are available. The fixture mounting utilizes a standard 1/2" NPS hub with color matching mounting poles and mounting boxes optionally.