Tool-Free Sliding Window Exhaust Fan - Retractable Vertical Vent Variable Speed for Kitchen Bedroom Smoky Hot Spaces(27.56-29.53in)

Tool-Free Installation: Designed for vertical installation of sliding windows, featuring an adjustable spring frame, a secure seal without drilling, and does not interfere with normal window opening closing. Easy installation.Powerful yet Quiet Operation: Powerful 2800 RPM airflow quiet operation; 10-speed stepless adjustment suitable home, office, other scenarios, continuously freshening the air.Weatherproof Easy-to-Clean: Reverse ventilation, year-round use; aluminum alloy frame + stainless steel mesh cover, washable; 4cm slim body obstruct opening.Multi-Scene Applicable: Removes grease, deodorizes, refreshes air, apartments, offices, spaces, replacing ordinary fans to improve air quality.Universal Tool-free installation, most small footprint, high performance; includes size guide ensure compatibility.

• Weatherproof and Easy-to-Clean: Reverse ventilation, suitable for year-round use; aluminum alloy frame + stainless steel mesh cover, washable; 4cm slim body does not obstruct window opening.
• Powerful yet Quiet Operation: Powerful 2800 RPM airflow with quiet operation; 10-speed stepless adjustment suitable for home, office, and other scenarios, continuously freshening the air.
• Multi-Scene Applicable: Removes grease, deodorizes, and refreshes the air, suitable for apartments, offices, and other spaces, replacing ordinary fans to improve air quality.
• Tool-Free Installation: Designed for vertical installation of sliding windows, featuring an adjustable spring frame, a secure seal without drilling, and does not interfere with normal window opening and closing. Easy installation.
• Universal Installation: Tool-free installation, suitable for most sliding windows, small footprint, high performance; includes a size guide to ensure compatibility.