Vertical Telescopic Window Sash, Suitable for Exhaust Fans In Sliding Windows, Adjustable Speed, Tool-Free Installation, Suitable For Bedrooms, Kitchens, Offices white 15.7-17.7in/40-45cm

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.

• Flexible Airflow Control: The stepless speed controller easily adjusts airflow, from a gentle breeze to powerful cooling, with no fixed settings. The reverse airflow function of the window sash caters to every season and different needs.
• Quickly Eliminates Odors and Smoke: This window fan boasts a powerful 2800 rpm speed and 98 cubic feet per minute airflow, quickly removing kitchen fumes, cigarette smoke, and pet odors; ideal for poorly ventilated spaces like attics, garages, and basements where fresh air is needed.
• Universal Installation for Compact Spaces: This upright window sash can be installed without tools on most sliding windows and can be mounted vertically on either side of the window frame. It takes up minimal space yet provides performance comparable to large household window sashes.
• Superior Materials: This fan features a durable aluminum alloy frame and magnetic levitation bearings, ensuring long-lasting stability and quiet operation. The double-sided stainless steel safety mesh serves a dual purpose: effectively preventing insects from entering and keeping children away from internal moving parts, ensuring safety. The removable design makes cleaning a breeze.
• Multi-scenario air purification: Household window exhaust fans can quickly remove indoor odors and stuffy, humid air, preventing dampness and stuffiness. Suitable for various scenarios, including kitchen fume extraction, pet odor removal and ventilation, card room smoke removal, bathroom dehumidification, etc., ensuring fresh air at all times.