The Zoo Med ReptiSun T5-HO Reptile Terrarium Hood is the perfect addition to your reptile’s habitat (sold separately). This upgraded version of the standard ReptiSun 5.0 Lamp boasts twice the strength and brightness, making it ideal for larger reptile enclosures (sold separately). With increased UVB output, this hood promotes the prevention and reversal of metabolic bone disease to help keep your reptile healthy and happy.