The Zoo Med (3 Pack) Moonlite Reptile Bulb is perfect for viewing and heating nocturnal reptiles and amphibians. Made of a true deep blue glass that is not painted or coated, this bulb provides a bright, fluorescent glow that will help you keep an eye on your animals at all times. With a little bit of visible light to not disturb your animal’s sleeping patterns, this bulb is perfect for keeping an eye on your pets when they’re awake and asleep.