Adjustable Speed Vertical Window Sash, Retractable Exhaust Fan Suitable for Sliding Windows, Easy To Install, Suitable for Humid Environments and Basements black 35.4-37.4in/90-95cm

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.

• Tool-Free Installation: This window exhaust fan is designed for vertical installation on sliding windows. Its adjustable spring frame allows for a tight, secure seal without drilling, solving the common loosening problem of ordinary small window exhaust fans.
• Premium Metal Material: This vertical window exhaust fan for sliding windows features an aluminum alloy frame and double-sided stainless steel mesh, effectively blocking insects and providing waterproof protection. The fan is easily removable and can be washed directly with water to remove dust.
• Quiet and Powerful: Equipped with a brushless motor and magnetic levitation bearings, this window exhaust fan operates at a mere 35 decibels, as quiet as a whisper, while providing a powerful airflow to quickly purify indoor air. Stepless speed control allows for smooth adjustment of the airflow, from gentle to strong, to meet different needs.
• Multi-Scene Application: Designed specifically for sliding windows, the aluminum alloy frame ensures a secure fit. As a dedicated window exhaust fan, it is ideal for bringing fresh air to pet areas, smoky areas, or any poorly ventilated space, effectively removing stale air and odors.
• Versatile: Quickly removes smoke, odors, moisture, and heat. Ideal as a kitchen exhaust fan, pet deodorizer, or home ventilation fan. Suitable for sliding and casement windows.