Vertical Window Exhaust Fan for Sliding Windows,5CM Retractable,No Drilling

Tired of stuffy rooms, lingering cooking fumes, and poor indoor air circulation?Our vertical sliding‑window exhaust fan delivers reversible airflow, IPX7 waterproof performance, ultra‑quiet 35dB operation, and drill‑free quick setup, bringing steady fresh air and comfortable ventilation to your bedroom, kitchen, and officeSpecifications:Name:Punch Free Window Exhaust FanMaterial: Aluminum alloy frame + stainless steel meshCurrent: 0.35A (peak per fan)Rotation Speed: 0-2800 RPM (adjustable speed)Airflow: 98 CFM (per fan)Noise: 16~39.8dbBearing: Magnetic levitation bearingRetractable Range: 5cmWidth: 16cmThickness: 4cmPower Supply: Plug-in Power AdapterSpeed Control: Adjustable Dial ControllerApplication: Bedroom, Kitchen, Bathroom, Living Room, RV, OfficePackage Included:1 × Retractable Window Exhaust FanNotes:1. Please allow the slight color difference caused by the shooting light and 1-3cm error due to manual measurement.2. If you have any questions please contact me and I will reply you within 24 hours

• Vertical Window Fan For Sliding Windows: This vertical window exhaust fan is specially designed for sliding windows. It comes with a 1.97 in(5cm) extendable spring mechanism to adapt to slight size variations for a snug, gap-free fit. Please measure the vertical window frame space (not glass height) before purchase to ensure seamless installation.
• Stepless Speed ​​Control And Silent Operation: This sliding window fan features a stepless speed controller with a range of 0–2800 RPM, allowing you to flexibly adjust airflow intensity. Operating at a noise level of just 16–39.8 dB, it runs exceptionally quietly, making it ideal for use in bedrooms and during the night.
• Easy To Install: Extend the spring-loaded frame, insert it vertically into the window sash, and secure it in place. The aluminum alloy frame ensures a stable installation, while removal is equally quick and effortless. Furthermore, it does not interfere with the smooth opening and closing of the window, nor does it cause any damage
• Safe, Durable, And Easy To Maintain: This household window-mounted exhaust fan features a robust aluminum alloy/PVC frame and is equipped with a brushless motor, ensuring stable and reliable operation over the long term. Stainless steel protective grilles are installed on both sides to effectively ensure user safety
• Widely Applicable:This retractable window fan works perfectly for bedrooms, kitchens, bathrooms, attics, garages, home offices, pet areas, cigar rooms, workshops and more. It effectively removes cooking smells, moisture, stale air and odors, making it a universal, all‑season ventilation solution for homes, apartments and small enclosed spaces.