An additional remote germicidal lamp provides up to six times the germicidal power compared to single tube lamps to sterilize viruses, bacteria and mold. Our UVV lamp controls odors with our patented oxidation chamber that can be easily adjusted by the homeowner. Germicidal UV is the trusted method used in hospitals. Helps reduce the spread of colds and flu. Keeps coils clean of biological growth. Lifetime warranty on electronics, 2-year warranty on lamps. (2-year long life lamps).