The Exo Terra Nano Canopy is a compact fluorescent terrarium canopy designed for use with the Exo Terra Nano Glass Terrarium. This easy-to-install canopy accommodates compact fluorescent bulbs or low wattage incandescent bulbs. 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.