The Fresh-Aire  Replacement UV-C Lamp is a robust solution designed specifically for APCO units. Operating within the 254 UV-C spectrum, this lamp utilizes hard quartz and a shielded hot filament for durability and efficiency. With a solid 2-year warranty, it ensures reliable performance in eliminating harmful germs and contaminants from indoor air. Upgrade your air purification system with confidence, maintaining a consistently clean and healthy environment with every use.