Mammoth BioShieldUV┬ Air Guardian 18W HVAC UV Light Air Purifier,4 Bulbs,Wall Outlet Powered, CE, FCC & UL Certified UV-C Light for AC for the Whole House, Furnace & UV light for AC system (110V Lamp)

, - : The Air Guardian operates all four 9W bulbs simultaneously inside your ductwork, covering more surface area and treating more air per cycle. | : The Air Guardian installs directly into your duct wall as a permanent flush-mounted unit and draws power from a nearby outlet, requiring two drilled entry points, a standard outlet within reach, and adequate interior clearance. | - , : All four bulbs are calibrated to this precise frequency, targeting biological growth inside your ductwork at the point where UV-C light does the most damage to mold spores, bacteria, and airborne contaminants.. | - , : The Air Guardian carries fire-safe certification that exceeds the standards required for around-the-clock in-duct installation, built to run reliably inside your system year after year. | , , , : Independently verified across four separate regulatory frameworks, making it the most certified model in the BioShieldUV lineup. | - : The onboard indicator light gives instant visual confirmation that the system is powered and running, with a clear signal when a bulb change is due. | , : The box contains the Air Guardian unit, four UV bulbs, installation template, drill bit, metal screws, and rubber gasket strips for an airtight duct seal. | - : Works with AC units, furnaces, air handlers, and commercial ductwork, with full manufacturer support for the first year of operation.