Compact fluorescent terrarium canopy - Exo Terra Compact Top was designed for use with the Exo Terra Glass Terrarium. This canopy is easy to install and accommodates compact fluorescent bulbs or low wattage incandescent bulbs. It is possible to use combination of 3 different Exo Terra Repti Glo compact fluorescent bulbs to create the ideal ultraviolet/visual light ratio or a combination with an incandescent light source such as the Exo Terra Sun Glo to increase the ambient air-temperature. Optional accessories such as the Exo Terra Digital Thermometer and Hygrometer and the Exo Terra Thermostat and Hygrostat can be slid into the special sliding rim on the top of the canopy.