The Coralife Lunar Aqualight 72 inch Compact Fluorescent Fixture is for reef aquariums. Please visit our Lighting Chart page to identify the best light for your particular reef aquarium. Dimensions: 72" X 7.75" X 2.75" without mounting legsNOTE: Do not put this light in a canopy. If you have a canopy you'll need a retrofit light.Includes:Two 96 Watt Actinic and two 96 Watt 10K compact fluorescent lamp Six Blue Moon Glow LEDsEasily removable acrylic lens coverBlack Mounting LegsOne large cooling fanHighly polished reflectorThree on/off switches (one for the actinic bulb, one for the daylight bulb, and one for the lunar lights)Recommended Accessories:To keep the light cycle consistent, we highly recommend using a timer. To achieve the dawn/dusk effect we recommend the Coralife Aqualight Power Center Timer.Replacement Parts:We carry all the replacement lamps and most replacement parts for the Coralife Aqualight fixtures