Window Fan, Waterproof Exhaust Fan, Quiet and Comfortable, Adjustable Wind Speed, Suitable for Vertical Windows in Family Bedrooms black 17.7-19.7in/45-50cm

Introducing the innovative vertical retractable window sash exhaust fan – the ideal choice for efficient air circulation! This box-type exhaust fan features a retractable, ultra-slim design, easily extending 5cm/2in to fit various sizes of sliding windows. Installation can be completed in minutes without tools. No drilling or complicated setup required!Experience the powerful ventilation of our adjustable-speed electric fan, with a strong airflow that quickly removes smoke, moisture, or stale air. Especially suitable for hot regions, smoky places, and humid environments, it actively lowers the temperature, drawing in fresh air and expelling heat, making it a compact air conditioner alternative.This small, upright ventilator is perfect for multiple rooms, especially bathrooms, garages, kitchens, and bedrooms. Its quiet operation ensures a comfortable environment, cooling the bedroom at night without disturbing others. Its waterproof construction allows it to withstand humid conditions.Note: Please confirm the layout between windows in advance. For accurate data, multiple measurements can be taken to avoid incorrect size selection.

• Universal Exhaust Fan: This vertical window exhaust fan is designed for sliding windows with an inner frame height of 13.8 inches to 59 inches (35 cm to 150 cm). The 2-inch (5 cm) extendable frame accommodates slight size differences, ensuring a perfect fit with most standard sliding windows.
• Superior Materials: This vertical window exhaust fan for sliding windows features an aluminum alloy frame and double-sided stainless steel mesh, effectively blocking insects and is waterproof. The fan is easily removable and can be washed directly with water to remove dust.
• Versatile Applications: This window exhaust fan is versatile, easily handling everything from removing kitchen fumes and reducing pet odors to dehumidifying bathrooms and ventilating smoky rooms. It provides reliable and efficient ventilation to meet your lifestyle and home needs.
• Quiet and Powerful: Equipped with an imported motor chip, brushless motor, and magnetic levitation bearing, this window exhaust fan operates at a mere 35 decibels—as quiet as a whisper—while delivering powerful airflow to quickly purify indoor air.
• No-drill installation: No drilling or tools required, quick and easy installation with a simple "click". Universal design fits perfectly against window edges, without affecting window opening or closing.