The DiversiTech TUVL-115 Replacement UV Lamp is critical for keeping air clean in HVAC systems. With a wavelength of 254 nm, this 15-inch lamp effectively neutralizes mold spores and airborne diseases by upsetting their DNA structure upon exposure. This offers better indoor air quality by getting rid of microbiological contaminants found in HVAC equipment, which can lead to allergies ... https://www.partshnc.com/tuvl-115-diversitech-1-yr-15in-replacement-uv-lamp