The new Yield Lab Double Ended Air Cool Hood Grow Light Kit will take your grow setup to the next level! Like any great air cooled hood, this reflector's got nice, big 6" air duct vents for cooling your bulb and grow area. But unlike other cool hoods out there, this hood's protective glass sheid safely drops down for simple bulb removal and replacement. Lit by our 600w Yield Lab Slim Line ballast, this light runs off a ballast that gives you a closed and solid state with efficient heat management. With the a variable watt range, the ballasts provide a wide array of options for compatible double ended lamps. The Yield Lab 600w Double Ended HPS Bulb is on a league of its own. Yield Lab Double Ended HPS bulbs have a slower degradation rate than single ended HPS bulbs allowing them to retain 90% of their original intensity after 10,000 hours of usage. These bulbs are more stable than single ended HPS bulbs allowing them to push an extra 10% intensity and PAR output. They emit much more IR and UV light than single ended HPS bulbs allowing plants to increase potency and essential oils. So if you're ready for large coverage and strong light penetration with easy use and installation, look no further than the Yield Lab Professional Series XXL Hood 600w Double Ended Grow Light Kit.