🌟 Elevate Your Airflow Game! Removable cover keeps bugs out and air fresh. Adjustable 3-speed control for personalized airflow. Easily moveable design for any room in your home. Auto-locking expanders fit windows 22-1/4" to 33". Intake and exhaust modes for optimal ventilation. Reversible airflow control Whisper-quiet operation Airflow 9.84 ft/sec The Comfort Zone Twin Window Fan is a versatile and efficient cooling solution featuring adjustable 3-speed control, reversible airflow, and secure auto-locking expanders. With a whisper-quiet operation and easy-to-remove protective cover, this fan is perfect for any room in your home, ensuring optimal airflow and comfort.