This UV lamp is designed to be installed in your AC HVAC Coil system and consists of 3 main components: 1) The 14W 14” UV bulb emits a germicidal UVC light that outputs 253.7NM wavelength with 99.9% effectiveness. It’s designed with a lifespan of 9,000 hours (1+ year). 2) The 120VAC Ballast/Power supply is designed to power the bulb 24x7 and features an LED light to monitor the bulb’s lifespan (green light ON = bulb is ON). 3) Z-shape magnetic bracket newly re-designed to provide adequate spacing for easy installation. Package includes: Bulb, Ballast, Magnetic Z bracket, and instructions. This product has one (1) year of warranty. 90-day replacement warranty for the bulb. IMPORTANT: If your bulb is damaged during shipping or defective or stops working within the first 90 days, we will replace it at no cost to you. Simply contact us. IMPORTANT: If you have any issues or need any help with this item, please contact us prior to returning this item or posting a review.