Vertical Window Exhaust Fan for Sliding Windows, Reversible Airflow with Stepless Speed Control, No-Tools Punch-Free Installation Ventilation Bedroom Bath black 29.5-31.5in/75-80cm

Efficient Window Ventilation FanAdjustable Fit DesignLow Noise Comfortable OperationDetachable Mesh Screen for Easy CleaningWaterproof Durable ConstructionAdjustable Speed ControllerSpecificationsProduct Type: FanInstallation Edge MountMaterial: Plastic Frame + Metal ScreenFan Multi-Blade FansNoise Level: ≤35 dB (Low Operation)Power Supply: Plug-in Power AdapterSpeed Control: Adjustable Dial ControllerApplication: Bedroom, Kitchen, Bathroom, Living Room, RV, OfficeInstallation: No Drilling RequiredNotes：Please measure the window frame size before purchasing to ensure proper fit.Install fan along inner edge of best stability and airflow.Regular cleaning mesh screen is recommended maintain optimal ventilation performance.

• Removable Mesh Screen for Easy Cleaning：The detachable metal mesh screens on both sides help block dust and insects while maintaining airflow. The removable design allows quick cleaning and maintenance, keeping the window vent fan running efficiently.
• Adjustable Window Fit for Easy Installation：Designed with an adjustable frame, this window ventilation fan fits different window sizes for a secure and stable installation. Simply mount it along the window edge without drilling, making it a convenient window fan for sliding windows, apartments, bedrooms, and kitchens.
• Powerful Airflow for Efficient Ventilation：Equipped with multiple high-speed fan blades, this window exhaust fan delivers strong airflow to quickly remove heat, smoke, humidity, and odors. Ideal for improving indoor air circulation in kitchens, bathrooms, bedrooms, and RVs.
• Ultra Quiet Operation for Comfortable Use：Built with low-noise motor technology, this window fan operates at ≤35dB for quiet performance. Enjoy fresh air circulation without disturbing sleep, making it perfect for bedrooms, offices, and nighttime ventilation.
• Waterproof Design for All-Weather Use：Constructed with durable waterproof materials, this window mounted fan can withstand humid or rainy environments. Suitable for indoor and semi-outdoor installation, providing reliable ventilation even during rainy weather.