Vertical Window Exhaust Fan for Sliding Windows, Perfect Fit Top & Bottom Frames, Tool-Free Adjustable Speed for Bedrooms(13.78-15.75in)

Precise Fit for Sliding Windows: Custom-designed for sliding windows with inner frame heights of 13"-53" inch, equipped with a 1.97-inch height-adjustable spring mechanism. No drilling required; simply insert into the window frame and tighten to complete installation. Disassembly is equally convenient.Stable Structure: Utilizes an aluminum alloy metal frame and a three-section clamping structure to firmly hold the window frame edges; it does not obstruct smooth opening and closing of the window, balancing stability and ease of use.Adjustable Wind Speed: Quiet yet powerful exhaust with a stepless speed control design: Meets various needs such as quiet ventilation at night, daily air exchange, and efficient removal of kitchen fumes and humid air from the bathroom.Durable and Safe: The main body is made of aluminum alloy with silent bearings, ensuring stable operation and a longer lifespan; the double-sided stainless steel protective mesh design not only prevents foreign objects from entering but also keeps children away, protecting home safety.Easy Installation: Installation only requires measuring the vertical window frame height (not the glass height). The height-adjustable structure allows even beginners to quickly and easily modify their windows for ventilation.

• Secure Installation: The 5cm telescopic design, combined with three-section clamps and thickened springs, firmly locks the window frame, achieving safe, stable, and reliable ventilation.
• Size Compatibility: Covering sizes from 35-135cm, compatible with most vertical and horizontal windows, including sliding and casement windows; standard power supply makes it the preferred ventilation solution for homes, kitchens, and various commercial spaces.
• Drill-Free Installation: One-click quick installation, no drilling or extra tools required, saving time and effort; perfectly fits window edges, ensuring unobstructed opening and closing.
• Easy to Disassemble and Clean: Reinforced design prevents detachment; easy installation and disassembly; can be directly rinsed and dusted for thorough cleaning; supports left and right installation, allowing flexible placement based on ventilation needs.
• Multi-Purpose: Quickly removes indoor smoke, odors, moisture, and heat, maximizing ventilation efficiency; can be used as a kitchen exhaust fan, pet deodorizer, or household ventilation fan, meeting multiple ventilation needs throughout the house in one unit.