Vertical Window Exhaust Fan for Sliding Windows, Retractable Punch-Free Design, Adjustable Wind Speed for Home & Office Ventilation(45.28-47.24in)

Versatile for Multiple Scenarios: Quickly removes odors such as cooking fumes, hot pot smells, and pet odors while dissipating heat. Suitable for kitchens, bedrooms, offices, chess rooms, and other scenarios; suitable for both home and commercial useAdjustable Size: Extends 5cm, adaptable to windows from 35-135cm. Choose the model that best suits your needs and easily install in any window position, completely freeing you from size constraintsDrill-Free Installation: No drilling required. Three-stage clamps and thickened springs provide a secure, flush fit against the window frame. Easy to install and remove without affecting normal window useHigh-Quality Materials: Aluminum alloy frame + magnetic levitation bearing, double-sided stainless steel protective mesh; 12V low power consumption, adjustable speed from 0-2800 RPM, 98CFM airflow, and noise level of only 16-39.8 decibelsWaterproof and Easy to Clean: The entire unit is detachable and can be cleaned simply by washing with water. Simple daily maintenance and worry-free long-term use.

• Tool-Free Installation: Designed for vertical installation of sliding windows, featuring an adjustable spring frame, a secure seal without drilling, and does not interfere with normal window opening and closing. Easy installation.
• Powerful yet Quiet Operation: Powerful 2800 RPM airflow with quiet operation; 10-speed stepless adjustment suitable for home, office, and other scenarios, continuously freshening the air.
• Weatherproof and Easy-to-Clean: Reverse ventilation, suitable for year-round use; aluminum alloy frame + stainless steel mesh cover, washable; 4cm slim body does not obstruct window opening.
• Multi-Scene Applicable: Removes grease, deodorizes, and refreshes the air, suitable for apartments, offices, and other spaces, replacing ordinary fans to improve air quality.
• Universal Installation: Tool-free installation, suitable for most sliding windows, small footprint, high performance; includes a size guide to ensure compatibility.