GERG1014 Features: * UV-C is part of the ultra-violet light spectrum that is filtered out by the earth"s atmosphere. The "C" stands for the particular frequency of UV light that kills germs. * UV-C light is highly effective at penetrating thin-walled germs like viruses and bacteria. * Bulb Type: UV-C * Replacement Schedule: Bulb should be replaced every 10-12 months depending on use. Specifications: * Bulb Wattage: 5W Dimensions: * Overall dimensions: 7.5" H x .25" W x .25" D * Product Weight: .2 lbs