HELPS YOU CONTROL UNWANTED GROWTH: Once installed, AKTIV8 neutralizes biological contaminants commonly found on HVAC systems. Most HVAC systems are left untreated will develop unwanted growth ADVANCED FULL SPECTRUM LAMP: Gives you complete HVAC control with advanced 11-Inch quartz insulated oxidizing full spectrum lamp & activated carbon catalyst for complete biological and odor control EASY TO INSTALL: Actively treats the air and HVAC equipment, simple 24V connection, easy installation. Included duct board kit and instructions. Must be installed by licensed contractor. 24-HOUR PROTECTION: 2-Year UVC Lamp gives you years of worry-free protection by helping to maintain a clean coil free from odor-causing, efficiency-robbing biofilms SAVES YOU MONEY: Keeps equipment clean in home or buildings. AKTIV8 actively improves the indoor air quality and HVAC equipment efficiency MADE IN USA: Fresh-Aire UV are makers of the world’s best whole-house UV light and activated carbon air purifiers AKTIV8 is the best choice when there is enough room over the coil. AKTIV8 actively improves the indoor air quality and HVAC equipment efficiency within the home or building. It neutralizes biological contaminants such as bacteria and viruses that circulate through the ventilation system. AKTIV8 (patent pending) is highly effective in helping to maintain a clean coil free from odor-causing and efficiency-robbing biofilm.