Clear Blue 16" Master UV Purification System, 24V/110V with Step-Down Transformer, Intelligent Voltage Protection for Electronics and Lamps, Clear Blue Units Create Pure Air Naturally, and Adds an Addititional Cleaning Element to a Standard Filtration System, Control Micobial Growth, Destroys Mold and Associated Odors, In Mfg Box, Made In China The Clear Blue Units Create Pure Air Naturally, and Adds an Additional Cleaning Element to a Standard Filtration System. Through Innovative, Safe, and Environmentally Friendly Practices, These Uv Air Treatment Systems Cleanse Residential Air. Features: 16 In. UV-C Germicidal Coil Cleaner, Magnetic Mounting Bracket With Multiple Options, Destroys Mold And Associated Odors, Control Microbial Growth, Improves Hvac Efficiency And Reduces Maintenance, Improves Indoor Air Quality Note: Does include 1 bulb