Fresh-Aire UV - Blue-Tube UV® is the original award-winning patented UV light for residential HVAC systems. It saves energy and extends the life of the air system by keeping coils and drain pans free of mold and improves air quality by killing airborne bacteria and viruses. Blue-Tube UV was the first low-voltage UV system and is the best-selling such product in the world.
TUV-BTER2 comes with an 18 - 32 VAC power supply and a 2 year UV-C lamp.
Warning: this product contains a chemical known to the State of California to cause cancer. P65Warnings.ca.gov