72" Deluxe PROTOSTAR unit with 3x250 watt HQI double ended metal halide lamps with supplemental actinic blue VHOs. The power of HQI lighting with the dawn to dusk effect of actinic blue VHOs. Great choice for all reef tanks, especially those with hard corals, SPS corals, clams, acropora and anemones. Each unit comes with: * super-brite internal hammertone strip reflector * two cooling fans * UV absorbing tempered glass lens * remote HQI ballasts with quick disconnects * Three double ended 250 watt HQI lamp * two actinic blue 165 watt VHO lamps Powerful metal halide lighting and actinics that won't be drowned out by the halides. Dawn to dusk effect - one control for the metal halides and one control for the fluorescents. Dimensions: 72"L x 11.5"W x 6.5"H. INCLUDES HAMILTON ELECTRONIC BALLAST UPGRADE FOR VHO BULBS.