Radiant Air Cooled Reflectors are super sized air-cooled lensed units based on our popular high performance Radiant Reflector. High efficiency design with a premium European specular insert means more light from the coolest running fixture ever offered by Hydrofarm. •Comes with extension to accommodate a 600 Watt bulb •Same quality specifications as Radiant Reflector. •Cool running patented double-wall design allows placement of light closer to plant (US Pat. 6,595,662 B2, D456,938 S) •Multi-faceted computer-designed aluminum interior for maximum efficiency •Constructed of heavy duty pre-galvanized steel and lined with highest purity European aluminum •World's finest reflective specular aluminum - 99.85% pure with 95% reflectivity •Proprietary high gloss baked electro-coat paint •Sturdy reinforced angled double-layered construction •Tempered glass lens with sealing foam included •Comes with built in socket and lamp cord •New improved lens system for a completely sealed reflector, hinged for easy bulb exchange, now comes with a built-in socket and 15' lamp cord •CSA Certified •25 year reflective material warranty •Available in 8" unit - see RD8AC