Window Exhaust Fan, Vertically Mounted, Adjustable Speed, Retractable Window Fan, Used for Ventilation and Exchange air, Suitable for Sliding Windows white 25.6-27.6in/65-70cm

Introducing the innovative vertical retractable window sash exhaust fan – the ideal choice for efficient air circulation! This box-type exhaust fan features a retractable, ultra-slim design, easily extending 5cm/2in to fit various sizes of sliding windows. Installation can be completed in minutes without tools. No drilling or complicated setup required!Experience the powerful ventilation of our adjustable-speed electric fan, with a strong airflow that quickly removes smoke, moisture, or stale air. Especially suitable for hot regions, smoky places, and humid environments, it actively lowers the temperature, drawing in fresh air and expelling heat, making it a compact air conditioner alternative.This small, upright ventilator is perfect for multiple rooms, especially bathrooms, garages, kitchens, and bedrooms. Its quiet operation ensures a comfortable environment, cooling the bedroom at night without disturbing others. Its waterproof construction allows it to withstand humid conditions.Note: Please confirm the layout between windows in advance. For accurate data, multiple measurements can be taken to avoid incorrect size selection.

• Adjustable Window Fan: This window fan features an adjustable frame design to fit windows of various sizes, ensuring a secure and stable installation. No drilling is required; simply install along the window edge. It's ideal for sliding windows, apartments, bedrooms, and kitchens.
• Quiet and Comfortable: This window fan uses low-noise motor technology, operating at ≤35dB, ensuring quiet operation. Enjoy fresh air circulation without disturbing sleep, making it ideal for bedrooms, offices, and nighttime ventilation.
• Highly Efficient Ventilation: Equipped with multiple high-speed blades, this window fan delivers powerful airflow, quickly removing heat, smoke, moisture, and odors. It's ideal for improving indoor air circulation in kitchens, bathrooms, bedrooms, and RVs.
• Waterproof Design: Made with durable, waterproof materials, this window fan can withstand damp or rainy environments. Suitable for indoor and semi-outdoor installation, it provides reliable ventilation even in rainy weather.
• Removable Mesh for Easy Cleaning: Removable metal mesh on both sides helps block dust and insects while maintaining airflow. The detachable design facilitates quick cleaning and maintenance, ensuring efficient operation of the window ventilation fan.