The Germ Guardian's 5-in-1 air purifier with Pet Pure antimicrobial agent makes your indoor environment safe, clean, and comfortable. It features a HEPA filter that removes 99.97% of airborne allergens, an activated charcoal filter to remove odors, and UV-C technology to kill bacteria and viruses in any room. Plus, it has an easy to use digital display and 5 speeds. The CADR (Clean Air Delivery Rate) displayed on the product carton may not match the ratings on our website. Please refer to the manufacturer website for the most accurate ratings. In an effort to stay up to date with Version 2.0 testing requirements, CADR ratings on the manufacturers website reflect the test results of product manufactured after 10.16.20.