The Zoo Med™ new 18 inch size Paludarium Hood is designed to fit all 18 inch wide Paludariums and Naturalistic Terrariums®. This hood can hold one Paludarium 2-in-1 Lamp and one incandescent heat lamp up to 60W. A built-in reflector allows for increased heat and UVB penetration in your terrarium. Two separate on/off switches allow for independent lamp operation. This makes it possible to turn the UVB lamp off at night without turning off your nighttime heat source.