1、Efficient Ventilation: The air outlet exhaust fan with a speed of 4500 rpm and airflow of 3.3 m³/Minute, swiftly exchanges indoor and outdoor air to provide a clean environment for RVs, trailers, and more. 2、Premium Material: Crafted from high grade ABS material, this fan is wear resistant, UV resistant, and aging resistant, ensuring long lasting performance in various outdoor environments. 3、Easy Installation: With a compact size of 140x130x45mm and an embedded cut hole size of 97x97mm, this fan is easy to install in bathrooms, providing effective ventilation and debris prevention. 4、Wide Application: Suitable for RVs, trailers, boats, caravans, yachts, and more, this fan is ideal for installation in bathrooms, kitchens, warehouses, and lounges to enhance air circulation in enclosed spaces. 5、Enhanced Ventilation: The side air outlet ventilation fan is designed to quickly exchange indoor and outdoor air, providing a clean atmosphere and solving ventilation issues for damaged walls in RVs, and more.