Dual 9-inch reversible window fan with 3-speed settings for flexible room ventilation. The reversible airflow control lets you pull fresh air in or exhaust stale air out. Adjustable accordion expanders with auto-locking fit windows from 23-1/2" to 37" wide.

• Two 9" reversible fan blades with 3 speed settings
• Reversible airflow - intake or exhaust modes
• Adjustable width fits windows 23-1/2" to 37"
• Auto-locking accordion expanders for secure fit
• Removable fabric cover for easy cleaning
• Includes portable carrying case
• Built-in feet for tabletop use