47.3-49.3 Inch Vertical Window Fan For Sliding Windows - Waterproof Window Exhaust Fan No Tool Installation With Living Rooms Bedroom Kitchen Bathroom Attics Hot Areas(0-2800 Rpm)

Features

• PLEASE MEASURE FIRSTDesigned specifically for sliding window with 47.3"-49.3" inner frame height (measure vertical window frame space, NOT glass height). Features 1.97" extendable spring mechanism. This custom-fit design is tailored for your vertical window fan installation, ensuring a snug, gap-free fit without tedious adjustments.
• MULTI-SCENARIO APPLICATIONExclusive design for sliding windows, with an aluminum alloy frame ensuring firmly hold on the window frame. As a dedicated window exhaust fan, its ideal for refreshing the air in pet areas, smoky spots, or any space lacking proper ventilationeffectively expelling stagnant air and odors.
• INSTANT SETUPTruly no-tools installation - simply extend the spring-loaded frame, insert into window frame and tighten it. This hassle-free process lets you set up your exhaust fan for window in minutes; removable anytime without damaging windows or leaving unsightly marks.
• SLIM DESIGN, WINDOW-FRIENDLYEnables smooth window open/close operation with the fan in right installation place. Our compact window vent fan comes with 8 high-performance fans behind stainless steel mesh for safety and sturdiness, never interfering with your daily window use.
• FLEXIBLE AIRFLOW CONTROLStepless speed controller can adjust the airflow effortlessly, ranging from a soft breeze to powerful cooling, with no fixed settings. The window fan suits every season and diverse requirementsblow in fresh air in spring or exhaust hot air in summer.