Deep Blue Professional - DB SolarMaxHE - Single Lamp Fluorescent T5 Light System48 T5 Light System - 28W x 1Low profile thermally conductive aluminum housing for cool running operation. Finished with a protective matte black coating and includes acrylic lens cover to protect against moisture and debris. Designed with a parabolic light amplifying reflector to increase lumen output and coverage. Electronic ballast technology provides stable high performance operation. Energy efficient. 10000K Daylight lamp included Canopy Friendly!