Vertical Window Fan for Sliding Windows, Retractable Reversible Airflow Window Exhaust Fan with Adjustable Speed, No-Drill Tool-Free Window Fan for Bedroom Kitchen Office Household(19.7-24.4in)

Enhance your indoor air quality with premium vertical window fan, custom-designed for sliding windows. Versatile exhaust fan features an extendable spring-loaded frame for a quick, gap-free, and tool-free installation. Built with a durable aluminum alloy frame and an efficient brushless motor, it offers a stepless speed controller for customized airflow. Operating at a whisper-quiet 16–39.8 dB, it provides quiet ventilation that effortlessly eliminates hot air, odors, and moisture from your kitchen, bathroom, or bedroom without interfering with your window's normal operationTechnical ParametersWindow Compatibility: Sliding windowsAdjustability: 1.97 in (5cm) extendable spring mechanismAirflow Capacity: 98 CFMSpeed Range: 0–2800 RPM (Stepless speed control)Noise Level: 16–39.8 dBMaterials: Aluminum alloy and PVC frame, Stainless steel protective grillesMotor Type: Brushless motorDesign Feature: Detachable fan bodyPacking List1 x Vertical Window Exhaust Fan (with built-in extendable frame)1 x Power Cable with Stepless Speed Controller1 x User ManualPrecautions1.Pre-Purchase Measurement: Please strictly measure vertical window frame space (do not measure glass height) before purchasing to ensure seamless installation2.Installation: Ensure spring-loaded frame is securely wedged into window sash before plugging in or operating device3.Maintenance: Always disconnect device from power

• Vertical Window Fan for Sliding Windows: Vertical window exhaust fan features an adjustable spring mechanism. It provides a secure, no-drill mount for your home, fitting seamlessly into small frames
• Reversible Exhaust Fan with High Airflow: Window fan vertical control indoor ventilation with powerful dual intake and extractor capabilities. It efficiently clears smoke from your kitchen, bathroom, or smokers room
• Quiet Ventilation Fans for Bedroom Comfort: Sliding window fan enjoy customized cooling with stepless speed control. Low noise operation makes this slim window air fan ideal for sleep areas and household use
• Adjustable Mount for Quick Home Setup: Household window-mounted exhaust fan without tools. Durable frame includes a protective screen to block bugs, ensuring safe and reliable indoor air cooling
• Compact Extractor for Multiple Spaces: Small twin retractable window fan unit improves air circulation. It provides consistent ventilation for your basement, attic, garage, or indoor comfort zone