Retractable Vertical Window Exhaust Fan for Sliding Windows - Tool-Free Installation Adjustable Speed for Home Kitchen Bedroom(21.65-23.62in)

Highly retractable design: Featuring a 5cm retractable structure, combined with three-section clamps and thickened springs, it securely locks onto the window frame, ensuring safe and stable ventilation without fear of shaking or falling offCompatible with most windows: Covering sizes from 35–135cm, compatible with most types of windows including vertical, horizontal, sliding, and casement windows, suitable for ventilation in homes, kitchens, and commercial spacesDrill-free quick installation: No tools or drilling required; quick and easy installation with a simple snap-on design; universal fit design does not damage the window structure and does not affect normal opening and closingEasy to disassemble and clean: Strong clamping device prevents falling off; simple installation, disassembly, washing, and dusting; supports left and right installation, flexibly adapting to different ventilation positionsPowerful ventilation: Quickly removes smoke, odors, moisture, and heat; suitable for kitchen exhaust, pet deodorization, and home ventilation; compatible with both sliding and casement windows

• Highly retractable design: Featuring a 5cm retractable structure, combined with three-section clamps and thickened springs, it securely locks onto the window frame, ensuring safe and stable ventilation without fear of shaking or falling off.
• Compatible with most windows: Covering sizes from 35–135cm, compatible with most types of windows including vertical, horizontal, sliding, and casement windows, suitable for ventilation in homes, kitchens, and commercial spaces.
• Drill-free quick installation: No tools or drilling required; quick and easy installation with a simple snap-on design; universal fit design does not damage the window structure and does not affect normal opening and closing.
• Easy to disassemble and clean: Strong clamping device prevents falling off; simple installation, disassembly, washing, and dusting; supports left and right installation, flexibly adapting to different ventilation positions.
• Powerful ventilation: Quickly removes smoke, odors, moisture, and heat; suitable for kitchen exhaust, pet deodorization, and home ventilation; compatible with both sliding and casement windows.