Warranty: 3 years Effectiveness tested up to 99.97% on viruses and bacteria The air present in the environment is sucked into the air purifier and is sanitized through 5 levels of filtering. At the end of the process, the filters allow the destruction of up to 99.97% of viruses, bacteria and harmful particles. The air is clean and free from any harmful particles. The UV lamp is located inside the equipment itself. For this reason, no one is exposed to any risk because there is no direct contact with ultraviolet rays.