Product description: Round High Bay for the most demanding industrial environments, as well as large commercial and educational facilities. Designed with unmatched electrical, environmental, and thermal ratings to withstand the harshest conditions while offering the lowest total cost and energy savings. With superior efficiency, spacing, and ease of installation, HOLOBAY™ is the perfect solution. Manufactured with die-cast aluminum and prismatic borosilicate glass, it provides exceptional lighting, visual comfort, and efficacy. The hinged driver door facilitates installation and maintenance. Our ultra-sleek compact size and full suite of control options allow this luminaire to shine in any application.