The Coralife High Output T5 Dual Lamp Aqualight Aquarium Light Fixture is a great choice for saltwater or reef aquariums. These fixtures include one 10,000K daylight high output T5 lamp and one actinic lamp. Each lamp provides approximately twice the light output of a traditional T8 lamp, making these fixtures a great choice for saltwater or reef aquariums. The low profile powder coated aluminum housing with acrylic splash guard protects the lamps from damage. The adjustable mounting brackets make it easy to find the perfect spot in your tank. These fixtures are ideal for freshwater or saltwater aquariums.