<p>The Coralife 20,000 Kelvin fluorescent lamp is a high&#045; intensity purified super&#045;daylight lamp that is ideal for deeper aquariums&#046; It casts a bright, high&#045;intensity, blue&#045;white glow allowing light to penetrate deeper into the aquarium&#046; Also available with </p><ul><li>24&#046;5"x1&#046;5"x1&#046;5"</li></ul>