1. The C90A PRE-FILTER catches the larger particles as room air is drawn through the rear grille.

2. In the IONIZING SECTION of the ELECTRONIC CELL, billions of microscopic particles become electrically charged as they pass through a powerful electric field.

3. COLLECTOR PLATES immediately attract these "charged" particles.

4. Finally, an activated CARBON FILTER removes most common odors and fumes as the "clean air" is circulated back into the room.
The C90A has been rated the #1 air cleaner in the US.