DoubleLux 4 Foot 12 Bulb T5 Double Intensity Fixture With BulbsMaximize vegging power with this compact 648W fixture that packs double the bulbs into a standard 6 bulb footprint. The 4 foot 12 bulb DoubleLux T5 Fluorescent Fixture is the same width as a 6 bulb fixture but packs twice the bulbs for double the light intensity. This makes it an absolute growing monster. It ships with 12 InterLux High Output 54 watt bulbs: eight 6500K and four 3000K for the ideal vegging mix. Features Vegging spectrum: includes 8x