13-53inch Retractable Window Exhaust Fan Drilling Free Installation, Removable Vertical for Home, Kitchen & Office(43.31-45.28in)

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