About This 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 Overview Color : Blue Brand : Fresh-Aire UV Product Dimensions : 21.56"D x 8.37"W x 8.5"H Power Source : AC Item Weight : 6.26 Pounds