Field Controls 46510800 UV-16/120 UV-Aire 16" In-Duct Air Purifier 120V These UVC Germicidal lamps are designed for Field Controls' UV-Aire portable and in-duct models. UV-Aire Air Purifier. 16" remote in duct air purifier with safety disconnect, 120V 120 volt plugs into standard outlet, compact design fits in tight spaces, built-in safety switch, designed to light only inside the duct, and E-Z lamp replacement simple twist and lock. Specifications: Minimum Duct Width 16" Voltage 120 Lamp Wattage 30 Lamp Intensity At 1 Meter: 62 µW/cm2