Vertical Window Exhaust Fan for Sliding Windows, Punch-Free Silent Slim Window Fan, Adjustable Speed, 5cm Retractable, for Home Bedroom Kitchen-1pcs

Window Exhaust Fan, 35-160CM Optional, 5CM Retractable, Adjustable Speed 0-2800 RPM, Vertical Ventilation Fan for Home, Kitchen, Bedroom, Living RoomsA ventilation fan that is genuinely tool-free. It requires no tools, no drilling, and no complex installation. Just 4 simple steps:1. First, snap it onto the lower edge of the window frame. 2. Press down firmly. 3. Then, snap it onto the upper edge of the window frame. 4. Plug in the adjustable-speed power adapter.Done! Enjoy fresh air instantly!Features:- Punch-free installation allows for easy movement between rooms. - 2800 rpm fan keeps indoor air fresh. - Magnetic bearing brushless motor for low noise. - Does not affect window opening and closing. - Adjustable-speed power supply allows for flexible airflow control. - Easy disassembly and cleaning; even for use on rainy days.Parameters:Name: Window Exhaust Fan Input Voltage: 110-220V Output Voltage: 12V Current: 0.35A (peak per fan) Speed: 0-2800 rpm (adjustable) Air Volume: 98 CFM (per fan) Noise: 16-39.8dB (varies with speed) Bearing: Magnetic Bearing Material: Aluminum Alloy Frame + Stainless Steel Mesh Color: Black, White Size: Available from 35cm to 160cmWhat You Get:Exhaust Fan x 1 Power Adapter x 1 Instruction Manual x 1

• MULTIPLE SIZES AVAILABLE: This sliding window exhaust fan is available in sizes from 35-160cm, suitable for most vertical and horizontal windows. Includes power supply, for home, kitchen and commercial ventilation
• STABLE INSTALLATION: This kitchen window exhaust fan is 5CM retractable, so you don't have to worry about installation problems due to size. The three-stage caliper structure firmly locks to the window frame for safe, stable ventilation
• PUNCH-FREE DESIGN: Quick “click” setup with no drilling or tools required. Universal design fits window edges without affecting opening or closing. It can be disassembled at will and used on other windows in the home
• ADJUSTABLE SPEED: This slim window exhaust fan has a speed of up to 2800 rpm. 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
• QUIET AND NOISELESS: This upgraded exhaust fan uses a brushless motor with magnetic bearings, ensuring low noise even at high speeds, without disturbing your sleep, work, study or rest time