Coralife Zilla Reptile Slimline Reptile Lighting Fixture with UVB Lamp, 18-Inches Slimline lighting fixtures are compact, ultra-economical fluorescent strip lights in a modular plastic housing The reptile version features a 18 desert with 7 percent UVB reptile 7 fluorescent lamp It has on/off switch and includes bulb. Each fixture includes 25 watt UVB T8 bulb It can be bolted up under a counter or on a wall or cap This slim profile fixture mounts easily on top of a tank