American Ultraviolet High-output DC Series HVAC UVC germicidal fixtures can be mounted in various configurations for optimum pass-by air decontamination and/or to irradiate cooling coils and drain pans. Lamps and electronics can be accessed from outside the duct or plenum. "Green" lamps (contain 28mg of mercury) extend inside to span supply ducts and/or cooling coils.
DC Series HVAC air duct system fixtures are offered in two and four-lamp configurations that can be mounted singly, in built-up banks, or in parallel configurations in a variety of locations, including coils, drain pans, ductwork, mixed air plenums and exhaust systems.
American Ultraviolet DC 
Series Benefits
• Improves Indoor Air Quality (IAQ) by serving as a UV-C air sanitizer, reducing bacteria, viruses and mold that either grow or pass through the air handling systems. Reduces the risk of cold, flu, allergies and other illness associated with air handling systems
• "Green"lamps contain = 8mg of mercury
• Two-year guarantee on lamps with only 20% decrease in output over two years
• Five-year, non-prorated warranty on the ballast
• Continuously cleans coils, drain pans, plenums and ducts, eliminating costly cleaning programs and the use of harmful chemicals and disinfectants
• Reduces HVAC energy costs by restoring heat transfer and net cooling capacity
• Produces no ozone or other secondary contaminants