This versatile Comfort Zone 9 3-Speed Reversible Twin Window Fan with Remote Control offers customizable airflow to suit your needs. Choose from cooling exhaust or circulate functions and adjust the 3-speed settings to control the air volume. The fan s locking accordion expanders can be adjusted from 23-1/2 to 37 to fit most windows or it can be used as a table-top fan with the included feet. The removable cover and screen help keep out bugs and debris while the remote control provides added convenience. With its ETL listing this energy-efficient window fan is a reliable choice for keeping your space comfortable.