Adjustable Window Exhaust Fan, 14-51inch Retractable Drilling Free Installation Removable Vertical Window Fan Suitable for Home, Kitchen, Bathroom, Office&Card Room(29.5-31.5 Inch)

PRODUCT SPECIFICATIONS:Product Name: Punch Free Window Exhaust FanMaterial: Aluminum Alloy Frame+Stainless Steel MeshCurrent: 0.35A (peak current per fan)Rated Voltage: 110-220VSpeed: 0-2800 RPM (adjustable)Air Volume: 98 CFM (per fan)Noise Level: 16-39.8 dB (varies with speed)Bearing: Magnetic BearingRetractable Range: 10cm(3.94inch)PACKAGE CONTENTS:Retractable Window Exhaust Fan x1Power Cord x1User Manual x1NOTE: Before purchasing, please measure the height of the window and choose the specification that suits you.

• 【For Sliding Windows】This vertical exhaust fan is designed for sliding windows, featuring an aluminum alloy frame that securely snaps into the window frame. This product is particularly suitable for pet areas, smoky rooms or kitchens, and any space requiring air circulation.
• 【Flush-Mount Installation】This vertical window exhaust fan requires no drilling during installation. Featuring a flush-mount design with a three-stage clamping mechanism and reinforced springs, it securely embeds into the window frame edge. Installation is simple and does not interfere with normal window operation.
• 【Multiple Size Available】Available in 14-51inch, this exhaust fan fits most vertical windows and can also be installed on horizontal windows if needed. Multiple size options ensure compatibility with diverse requirements. This vertical exhaust fan perfectly meets ventilation needs for homes, kitchens, and commercial spaces.
• 【Powerful and Efficient Ventilation】The exhaust fan features multiple speed settings. Low and medium speeds meet daily air exchange needs, while high speed is specifically designed for environments like kitchen and bathroom. Its high-performance motor generates a powerful airflow, rapidly expelling stale air and introducing fresh air. With a ventilation coverage area of up to 30 square meters, it effectively meets the air exchange requirements for corresponding spaces.
• 【Premium Material】This vertical exhaust fan features a sturdy and durable housing with an internal fan measuring 5.5inch in diameter. It utilizes a magnetic levitation bearing brushless motor to reduce noise and increase rotational speed. Both the front and rear of the fan are equipped with stainless steel mesh guards, which prevent insect entry and protect against accidental arm contact, ensuring safe operation and product longevity.