Coralife (Energy Savers) - T5 Aqualight Double Lamp StripSatisfy high lighting requirements with the power of two compact fluorescent bulbs. Aqualight Double Strip Lights have twice the light output and features a stylish, yet durable, anodized aluminum housing, energy efficient internal electronic ballast, and silent built-in cooling fans for reliable and lasting performance (not a feature on the 12 inch Aqualight Double Strip Lights model). Highly polished reflector maximizes light output and distributes it evenly across your aquarium. Protective acrylic lens cover prevents water splashes from coming into direct contact with bulbs. Coralife Aqualights are the easy and affordable way to double the light output and control the number of compact fluorescent lighting fixtures.48 inch