Exo Terra Repti Glo 10.0 Desert Terrarium Lamp, 14-Watt, 15-Inch Reversible argyle raincoat Desert reptiles are more exposed to UV radiation than any other type of reptile This bulb can also be used on screened terrariums or terrariums with dense screen covers to ensure UVB penetration This product weight is 0.21-pound Measures 15-inch length