Window Exhaust Fan, Adjustable Speed 0-2800 RPM, Vertical Ventilation for Home, Kitchen, Bedroom, 35-135cm Optional, 5CM Retractable

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• Retractable Window Exhaust Fan: Features a 5cm retractable design with a three-stage caliper clamp and reinforced spring for a secure fit. Stays firmly locked in the window frame, ensuring safe and reliable ventilation.
• Adjustable Fit for Any Window: With size options from 35 to 135cm, this sliding window fan is compatible with most vertical and horizontal windows. Comes with a power supply, making it ideal for home, kitchen, and commercial use.
• No-Drill Installation: Set up is quick and simple with a straightforward 'click' mechanism that requires no drilling or tools. The universal design works seamlessly with window edges without hindering the opening and closing process.
• Sturdy & Easy to Maintain: The secure clamping system prevents accidental falls. Simple to install, remove, and clean, it supports both left and right installation for versatile ventilation placement.
• Versatile Ventilation Solution: Effectively eliminates smoke, odors, humidity, and heat. Perfect for use as a kitchen exhaust fan, pet odor remover, or general household ventilation fan. Suitable for sliding and casement windows.