AMSXNOO 31.9-35.8" Vertical Window Exhaust Fan for Sliding Window, Punch-Free Installation Casement Window Fan, Variable Speed Vent Fan, 4" Retractable, for Livingroom Bedroom Bathroom Kitchen Office

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• Hassle-Free Installation: Enjoy tool-free setup with this window fan in just three simple steps: snap, pull, and twist. Our innovative 4in/10cm extendable design fits a wider range of window frames with ease. Whether at home or in a commercial space like a game room, this window exhaust fan can be installed instantly and removed anytime—offering a worry-free ventilation solution
• Quiet Yet Powerful: Equipped with an imported motor chip, brushless motor, and magnetic levitation bearings, this window vent fan operates at a quiet 35dB—as gentle as a whisper—while delivering strong airflow to quickly refresh indoor air. The stepless speed control lets you smoothly adjust from a gentle breeze to turbo boost, matching different needs throughout the day
• Odor Eliminator: Designed to tackle everyday odors, it efficiently removes cooking fumes, pet smells, bathroom humidity, and more. Whether in your bedroom, living room, kitchen, bathroom, RV, or commercial space, this window fan helps maintain a fresher, healthier breathing environment
• Slim & Flexible Design: With a compact profile measuring 6.3in/16cm wide and just 1.6in/4cm thick, this fan fits neatly into any window without taking up extra space. It can be mounted horizontally, vertically, or side-by-side without interfering with window operation. Energy-efficient by design, it uses only about 1 kWh of electricity even if all 10 fans run continuously for 24 hours
• Stable & Easy to Clean: Built with a reinforced aluminum frame and a double-layer stainless steel mesh that keeps insects out, this window exhaust fan is both sturdy and easy to maintain. It’s fully waterproof and UV-resistant, ready to handle sun and rain. Both the top and bottom covers can be opened for hassle-free rinsing—no disassembly needed
• Customer Support: We care about your shopping and ownership experience. If you have any questions, need installation help, or require after-sales support, our dedicated service team is here to assist you within 24 hours, ensuring a smooth and confident experience with your window fan from purchase to daily use