29.5-31.5 Inch Vertical Window Exhaust Fan for Sliding Windows Slim Attach Firmly to Window Top and Bottom Frame Variable Speeds for Bedroom Kitchen Attics Pet Smoking Room-Exhaust Only

PLEASE MEASURE FIRSTThis vertical window fan is designed for sliding windows with 29.5"-31.5" inner frame height. Measure the vertical frame space, not glass height, for a perfect fit. Not compatible with windows outside this height range. | SLIDING WINDOW FANExclusive for sliding windows with an aluminum alloy frame that firmly grips the window. Ideal for bedroom, kitchen exhaust, bathroom ventilation, and removing stale air from garages, attics, or smoky rooms. For exhaust use only not designed to cool or draw in fresh air. | QUICK TOOL-FREE ASSEMBLYSimply expand the spring-loaded frame, place in the window, and tightenno tools needed. Easily removable without damage. Perfect for household window fans requiring quick exhaust airflow. | SLIM DESIGN, NO WINDOW INTERFERENCESlim vertical window fan sits flush, allowing smooth window operation. Features 5 powerful fans behind stainless steel mesh for safe, quiet ventilation in living rooms, basements, hot rooms, and pet areas. | FLEXIBLE AIRFLOW CONTROLThe vertical window exhaust fan features a stepless speed controller, allowing you to fine-tune airflow from a gentle breeze to powerful flow. This window fan is perfect for bedroom, kitchen exhaust, and providing ventilation in any season. | IMPORTANT REMINDER1> Size Guide: Please check the product dimensions before ordering. Will not fit if window size is outside this range. 2> Troubleshooting: Most non-working or loose fan guard issues can be quickly fixed with our troubleshooting video. 3> Support: Contact seller for any problems. We will provide a prompt and timely solution within 24 hours.