29x21" Air Cooled Tube Reflector Hood For 250w 400w 600w 1000 watt HPS MH Tent Multi-surfaces large hood makes the light source more centralized.Double reflective surface larger than original cool tubes for maximum lighting intensity 0.6mm thicken upgraded aluminum with up to 95% high reflectivity Combined 6" Inline Air Cooled Reflector Hood with Cool Tube. The reflector combines the supreme cooling capabilities of a glass tube for spreading the light reflecting. UL listed standard E39/E40 Ceramic Socket is fits for most bulbs UL listed 5ft long power cord with Sunlight plug