Vertical Window Fan for Sliding Windows, Silent Window Exhaust Fan for Kitchen, Punch-Free Installation, For Bedroom Office Ventilation-1pcs

40-140cm Vertical Window Exhaust Fan for Sliding Windows, Without Drilling Holes, Firmly Mounted on the Top and Bottom Frame, For Home, Kitchen, Bedroom and OfficeA ventilation fan that is genuinely tool-free. It requires no tools, no drilling, and no complex installation. Features:- Punch-free installation allows for easy movement between rooms. - 180x180mm standard fan blades, 230m³/h per fan. - Low decibel and quiet operation, no disturbing your rest. - Adjustable-speed power supply allows for flexible airflow control. - The number of exhaust fans increases or decreases according to the length or widthParameters:Name: Silent Window Exhaust Fan Input Voltage: 100-240V Output Voltage: 12V Air Volume: 230m³/h per fan Speed: Adjustable Color: Black Thickness: About 3cm Length: 40-140cm (Optional)What You Get:Exhaust Fan x 1 Power Cord x 1

• AVAILABLE IN MANY SIZES: This window exhaust fan is available in sizes from 40-140cm, suitable for most vertical and horizontal windows. Includes power supply, for home, kitchen and commercial ventilation
• EASY INSTALLATION: Our punch-free sliding window ventilation fan features a snap-on installation and fixing, which is simple and convenient. And it does not affect opening and closing of windows
• EASILY ADJUST THE SPEED: This vertical window fan comes with a speed controller, you can adjust the air volume at will, and keep the indoor air flowing easily. Suitable for bathrooms, kitchens, bedrooms, etc
• LOW DECIBEL: This upgraded exhaust fan features an all-copper movement that keeps noise low even at high speeds, without disturbing your sleep, work, study or rest time
• APPLICATION: The body is light and thin, not only suitable for kitchens and bathrooms, but also for study rooms, offices, storage rooms and other small spaces that require improved ventilation