Sunleaves Sunspot 8 Plug N' Play Reflectors offer performance and great compatibility without the cost of other reflectors. They have a heavy-duty housing, enamel-coated exterior finish, specular German Alanod interior for maximum light exposure, and a socket mounting bracket designed to maximize airflow through vents. Perfectly suited for gardens with carbon dioxide enrichment, they feature a hinged lens enclosure that provides a completely airtight seal. Best of all, they're pre-wired with a fixed socket that's compatible with the industry-standard Common Outlet. Unit measures 19 3/4" x 24 1/4" x 10 3/4", and features an eight-inch flange.