Zoo Med Reptisun T8 Terrarium Hoods provide crisp, bright light, with low profile shapes and built-in reflectors for deeper light penetration. Each hood holds one T8 fluorescent lamp to provide essential UVB and visible light for your reptiles.Low profile reptile terrarium hoodProvides essential UVB and visible lightConvenient On/Off switch for easy operationUVB is needed for growth and strong bones, and helps to prevent or reverse Metabolic Bone Disease. Use this hood with a Reptisun 5.0 UVB linear fluorescent lamp for tropical species, or a 10.0 UVB linear fluorescent lamp for desert species. Use a Naturesun linear fluorescent lamp for most species of amphibians or snakes. The 30″ and 36″ hoods feature an energy-efficient, flicker-free electronic ballast.Note: Fixture only Low profile reptile terrarium hood Provides essential UVB and visible light Specifications Features Convenient On/Off switch for easy operation, Low profile reptile terrarium hood, 24″ 17W T8 Lamp (Not Included), Provides essential UVB and visible light Brand Zoo Med Animal Type Reptile Specifications Features Convenient On/Off switch for easy operation, Low profile reptile terrarium hood, 24″ 17W T8 Lamp (Not Included), Provides essential UVB and visible light Brand Zoo Med Animal Type Reptile