Zilla Slimline Tropical 25 UVB T8 Fluorescent FixtureZilla Slimline Reptile Fixtures offer high-quality fluorescent lighting in a convenient, ready-to-use fixture. Its compact and lightweight design makes it easy to install and suitable for applications where space is limited. The Tropical 25 lamp simulates natural daylight while producing 25 microwatts of UVB to promote proper calcium absorption and bone growth in reptiles. The fixture's acrylic lens protects the lamp and wiring.18" tropical bulb is ideal for Anoles, Day Geckos, Tokay Geckos, Iguanas, Basilisks, Chameleons, Chinese Water Dragons, Tegus, Red-eared Sliders, Red Food Tortoises and Eastern Box Turtles..