Purifies large quantity of air fast. Having a CADR of 350 m³/hour, the EZVIZ UV-C Air Purifier continuously cleans the air for a room up to 42 m² and helps protect you and your family from a variety of air pollutants. - Strict, four-stage filtration. 1. Cleanable Pre-Filter 2. True HEPA Filter 3. Activated Carbon Filter 4. UV-C Light - Disinfects the air with UV-C light. UV-C range light has been proven effective in killing various viruses and bacteria. By breaking the molecular bonds in the DNA/RNA of viruses, UV-C light makes viruses and bacteria unable to reproduce. The EZVIZ air purifier uses a UV-C light to radiate purified air before sending it out to your room. - It produces fresher air. Negative air ion density is one of the most important criteria in evaluating air quality. The EZVIZ UV-C air purifier generates millions of negative air ions to quickly and effectively deodorize and freshen up your room. - Three airflow modes. The EZVIZ UV-C Air Purifier lets you set the fan speed and the built-in timer lets you select how long you would like it to run.