Zilla Incandescent Bulb, Night Red Heat, 75 Watt (3 Pack) Pack of Three Zilla Incandescent Bulb, Night Red Heat, 75 Watt Provides consistent ambient heat that warms the habitat Visible red glow does not disrupt creature's nocturnal habits or sleep patterns Allows for viewing nocturnal habits and shy species activites Heavy-duty filaments yield hours of performance