Panasonic

WhisperValue® DC™ is the lowest profile ENERGY STAR® rated ventilation fan available. It features Panasonic’s revolutionary DC motor with SmartFlow™ optimum CFM technology, and incorporates a Pick-A-Flow™ speed selector switch to customize airflow (50, 80 or 100 CFM).
business.

panasonic.com/products-hvac-ventilationproducts