The Sun System� LEC� 315 RA� Remote Reflector utilizes cutting edge Light Emitting Ceramic� technology. This fixture is a remote style reflector for better versatility in your growing area. It has a highly reflective textured aluminum insert for excellent output, uniformity and diffusion. Designed specifically for highly efficient agriculturally engineered CDM-T Elite 315 Agro Lamp (not included). This fixture is compatible for use with the Sun System� Galaxy� LEC� brand remote ballast. Integrated PGZX socket that will not accept non-open-rated lamps and attached 15 ft lamp cord. Powder-coated galvanized steel housing. This is a non air-cooled hood that does not accept glass. US Patent: D769,513 and US Patent Pending: 29/577,324. Chinese Patent: ZL2015303928775.