The Zoo Med Nano Dome Lamp Fixture is a compact and efficient lighting solution for reptiles. With a 4-inch bottom diameter, this lamp fixture is designed to accommodate Zoo Med’s Nano Dome Lamp, providing the necessary support and stability for your pet. The Zoo Med brand ensures quality and reliability, making this fixture a great addition to any reptile setup. Easy to install and modify, this lamp fixture is ideal for reptile enthusiasts looking to enhance their habitat with proper lighting.