This unit is very powerful. It works great around the neck or also simple by just putting on a counter, table desk, air travel, movie theaters, waiting rooms or any confined space.

You definitely can smell the clean air.

Dust, Mold Spores, Pollen, Smoke, Viruses, Fumes, Odors, Allergens

​Up to 28 hours of run time with 75 feet per minute airflow.