Adjustable 35-135cm Retractable Window Exhaust Fan, Punch-Free Window Exhaust Fan, Portable Door and Window Fan, Stepless Speed Control, for Kitchens, Bathrooms, Apartments Black 40~45cm

Whether it's a traditional vertical window, a horizontal bay window, or a balcony window of unusual dimensions, it can be easily adapted and seamlessly inserted like a "Transformer." Say goodbye to the hassles of complicated measurements and installation, and enjoy the ultimate in fresh air convenience. 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 the 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. 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

• SEAMLESSLY ADAPT TO VARIOUS WINDOWS: The unique retractable design allows it to perfectly fit most windows without any tools, completely solving the problem of installation problems due to different window sizes.
• 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.
• WIDE VENTILATION USE: Removes smoke, odor, humidity, and heat quickly. Great as a kitchen exhaust fan, pet odor eliminator, or household ventilation fan. Works for sliding and casement windows.