Adjustable Punch-Free Window Exhaust Fan 35-140cm, Vertical Window Fan for Sliding Windows, Punch-Free Silent Ventilation Fan, for Bedroom, Living Room White 35~40cm

PRODUCT FEATURES: Adjustable speed control, allowing you to adjust the airflow as needed. Flexible installation position; no drilling required, can be installed anywhere on the window frame. Telescopic design; no customization needed, extends up to 5cm. Installs on the edge of the window frame, without interfering with normal window opening. 2800 RPM, brushless motor with magnetic levitation, for quiet operation. Multi-fan design, energy-efficient and powerful airflow. Double-layer stainless steel mesh effectively blocks insects, ensuring safety and comfort for children. Waterproof design suitable for summer rain and wind. Easy to install and remove; washable. Secure installation with anti-fall design. PRODUCT SPECIFICATIONS: Model: No-installation window exhaust fan Material: Aluminum alloy frame + stainless steel mesh Current: 0.35A (peak current per fan) Speed: 0-2800 RPM (adjustable) Airflow: 98 CFM (per fan) Noise level: 16-39.8 dB (varies with speed) Bearing: Magnetic levitation bearing Extension length: 5cm Installation method: Built-in PACKAGE CONTENTS: Telescopic window exhaust fan *1 Power cord *1 User manual *1

• TELESCOPIC WINDOW EXHAUST FAN: This Kitchen Window Exhaust Fan Is Extendable, Can Telescoping 5cm , Eliminating The Need To Worry About Installation Issues Due To Size Limitations. Easy To Install And Detachable At Will.
• FLUSH-MOUNT INSTALLATION: This horizontal window exhaust fan features a flush-mount design, allowing it to be securely installed along the edge of the window without any drilling. Easy installation without affecting the normal use of the window.
• ENERGY-SAVING DESIGN: This window exhaust fan is designed for maximum energy efficiency. Multiple fans operate efficiently, using very little electricity! For example, 10 fans running continuously for 24 hours only consume one unit of electricity.
• EFFICIENT HEAT DISSIPATION PERFORMANCE: This punch-free door and window fan adopts an axial flow fan structure design with a speed of up to 2800 RPM. High-quality steel ensures fast heat dissipation and stable operation without lag.
• QUIET AND NOISELESS: This easy-to-install fan uses a high-quality brushless motor, ensuring extremely low noise levels even at high speeds, so it won't disturb your sleep, work, or leisure time. It combines durability with quiet operation.