VEVOR - 4-Inch Room to Room Fan, 2-in-1 300 CFM Through Wall Fan with Remote Control & Temperature Control, 10-Speed Ventilation - White

Is your living room or bedroom affected by humidity or bad smell? Improve air quality with an indoor ventilation fan. It features bi-directional adjustable airflow, a multifunctional display panel, and a remote control, allowing easy adjustments via the remote or smart panel.