Zilla T8 Fluorescent Bulbs Desert Series 50, 1ea/17 W

Zilla Tropical 25 Bulbs provide a full dosage of UVB (25 micro-watts per. second/cm2) along with essential UVA light. Zilla Desert 50 Bulbs provide a full dosage of UVB (50 micro-watts per. second/cm2) along with essential UVA light. Provides UVB light rays which are required for many reptiles to metabolize essential calcium|Full spectrum lighting enhances natural colors of the animal and environment|Replace every 12 months to ensure proper UVB levels|Recommended for use with Zilla?T8 Strip Light Fixture