Fresh-Aire Blue Tube TUV-BTER 24 Volt UV Light

Blue-Tube UV is the original award-winning patented non-ozone UV light kit for residential HVAC systems. Blue-Tube UV was the first low-voltage UV system and is the best-selling such product in the world. TUV-BTER comes with a 18-32 VAC power supply and a 1 year lamp.