20 Watt Coralife Actinic T5 Fluorescent Bulb (20 Inch)
Energy efficient, high output lamps provide significantly more light than conventional fluorescent lamps.
Emulates the softer shades of blue light found at dawn, dusk, and in deeper water.
Promotes photosynthesis and causes corals to fluoresce in beautiful glowing colors.
True actinic blue light peaks at 420 nanometers.
Fits all compatible electronic ballasts.