Exo Terra Swamp Glo Basking Spot Lamps are splash and mist-resistant daylight bulbs designed for aquatic or very humid terrariums. The outer sleeve is made of extra strong neodymium glass to resist shattering in a high-moisture environment. Basking lamp for aquatic or humid terrariums Splash & mist-resistant design resists burning out or shattering Broad-spectrum daylight spot lamp Extra strong neodynium glass sleeve Enhances coloration of reptiles, turtles & amphibians