Bring fresh air into your living space effortlessly with the Perfect Aire 2PAFW9 9-inch Twin Window Fan. Its twin fan blades provide powerful airflow, and with three speed settings, you can choose the perfect comfort level. This versatile fan can be changed with a toggle switch from fresh air intake to exhaust without removing it from the window. Its expandable accordion side panels ensure a secure fit. | Perfect Aire | | 9 in. H 3 speed Electronically Reversible Twin Window Fan Remote Control | Best Buy