About this item

• Quiet Ventilation Fan: WhisperComfort provides clean air and home improvement quietly
• Balance Air Pressure: Supplies clean air while exhausting stale interior air; easy to clean filters
• Ventilation with Easy Installation: Includes necessary mounting hardware; designed for 4” ducts
• Guaranteed to Last: Panasonic ventilation fans use less energy to move larger volumes of air
• Code-Compliant Ventilation: Energy Star certified and complies with the latest codes and standards