Our patented Blue-Tube UV is popular because it works. It s the simple, safe, and effective way to keep the HVAC system clean and improve indoor air quality. The powerful UVC light neutralizes germs continuously and is known for its reliability, ease of installation, innovative features and quality components. Blue-Tube UV Kit including (1) TUVL-115P Single Lamp, (1) 24VAC Extended Range Remote Power Supply, (1) TUV-ZBRKT-MG and (1) Hardware Kit