Pure Beam™ ultraviolet light is designed for HVAC air disinfection and surface irradiation|Ultraviolet light with 24 VAC electric ballast|The 17 W UV clamp is a powerful tool for improved indoor air quality|Installs in the HVAC system or ductwork on either the return or supply air side of the furnace or air handler|DiversiTech's Pure Beam™ ultraviolet light provides a healthier environment in your home, thanks to the germicidal qualities of the UV light spectrum present in the Pure Beam™ light|Ultraviolet light deactivates the DNA of dust mites, bacteria, viruses and other pathogens and destroys their ability to multiply and cause disease|Placement of a Pure Beam™ light in an airstream or near a drain pan can help to decrease the air contamination of any home|Exposure to Pure Beam™ significantly reduces air contamination caused by fungus, mold and viruses and can cleanse surfaces overcome by mold and slime