12 Inch Window Exhaust Fan Reversible Airflow for Quiet Ventilation 470 CFM
The thickened blades are more stable and the ventilation speed is faster. Excellent quality: The shell and fan are made of high-quality ABS material, which is sturdy and durable, with built-in ball motor and overheat protector, which is safer and more stable to use.
8-Inch Window Shutter Exhaust Fan Reversible Airflow for Quiet Ventilation
High Performance: Exhaust Airflow 300 m³/h(176 CFM), Intake Airflow 180 m³/h(107CFM) | Noise: 42 dBA. 25-watt low power, which makes the fan powerful and energy-saving. Reverse Exhaust: This window fan is a 2-way linkage type ventilation system, it not only puts air to the outside but also draws in air to the inside.