This is the ultimate in safe, healthy, whole-home air purification. Offering hospital-grade filtration featuring the Lennox Healthy Climate™ Carbon Clean 16^® air filter that removes over 99% of the virus that causes COVID-19* from the air*, as well as even smaller viruses, bacteria, and fungal spores. Also, unlike other purification systems, the PureAir™ produces zero lung-irritating ozone and actively removes existing ozone found in the home*. And its filter features a design that ensures the least airflow resistance* for unmatched efficiency and consistently clean, perfect air.