Enjoy clean breathable air with this Bio-Shield UV-C Air Sanitizer System. It kills the air contaminants that can cause colds, flu, sinus infections, allergies, asthma and other serious illnesses. It uses germicidal lamps to provide healthy and clean air. The air cleaner sanitizer system rays also keeps and eventually removes the bio-film collecting on the air conditioning coils and other A/C parts. It not only greatly increases the efficiency of the A/C unit, but also eliminates the need for costly ductwork cleaning. It even reduces the dust in your house. Easy to install and engineered to use less electricity than a 25-watt light bulb, this Bio-Shield UV-C Air Sanitizer System gets the job done.