PANO-MOUNTS 20.08-33.86 Inch Vertical Expanding Window Fan for Sliding Windows - Dual Mode Airflow Exhaust Intake and Variable Speed Control for Household kitchen Humid and Basements Spaces White

Vertical Design Sliding WindowPerfect for sliding windows with window track heights of 20.08"33.86" and a track thickness 6mm. This adjustable slim window sash is perfect for efficient home ventilation, fitting tightly to the frame without hindering window operation. | Dual-Mode Ventilation: Exhaust & IntakeSwitch between exhaust and intake modes instantly with the bottom panel control. This window fan with reversible airflow tackles stuffy air or brings in fresh breeze, making it a versatile window ventilation fan for any room. | Speed-Adjustable Airflow ControlTake command of your air circulation with speed adjustable fan. The easy-turn knob lets you dial in the perfect airflow, from gentle to powerful, for effective home ventilation. | Ultra-Thin & Window-Free InterferenceSlim design hugs window frames tightly, enabling smooth operation. It acts as a durable exhaust window fan for home ventilation and allows your window to open and close freely without interference, serving as a discreet window mount exhaust fan. | Multi-Purpose VentilationThis versatile household window fan excels everywhere. Use it as a kitchen window exhaust fan to clear smoke, a bathroom window fan to reduce humidity, or a quiet bedroom fan to circulate air. | Smart Purchase: Check Dimensions FirstPlease review the product size guide. This is a large window vent fan, and confirming it fits your window and space ensures satisfaction. It's a reliable basement window fan and exhaust fan for various needs.Thanks for understanding!