This patent pending, unique low profile design allows for maximum vertical growing space, especially in low ceiling applications. Although this fixture features 8 in oval air-cooled fittings, it measures only 5.6 in high! It accepts standard 8 in flexible ducting. State-of-the-art 95% reflective German aluminum interior offers unparalleled output, reflectivity and diffusion. Includes a Sun System� reflector level for easy, consistent, level hanging. Integrated mogul base socket and 15 ft lamp cord. Completely sealed � features double gasketed (between glass & reflector and glass & frame) tempered glass and a hinged frame to hold glass tightly in place. Hinge feature allows glass cover to swing open for easy access or quick removal. Swing Stop� retention cable keeps glass from abruptly swinging down. Galvanized steel housing with durable powder-coat finish. Captured thumb screws & closure mechanism for ease of use and excellent sealing. US Patents: D698628, D751245. Chinese Patent ZL2015301888152. Patent Pending: 29/552,185.