Features： 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. Specification： Item Type: RV Side Ventilation Fan Working Voltage: DC12V Power: 4.8W Speed: 4500 rpm Air Flow: 3.3 m3/Minute (One way) Size: Approx. 140x130x45mm / 5.51x5.12x1.77in Installation Hole Size: Approx. 97x97mm / 3.82x3.82in Wiring: Red wire connects to the positive terminal, black wire connects to the negative terminal Application: Quickly exchange indoor and outdoor air, providing clean air for your RV, solving wall damage issues Suitable for RVs, yachts, bathrooms, kitchens, warehouses, lounges Installation Steps: 1. Confirm the location for the hole and clean the appearance. Cut a 97x97mm square hole on the panel 2. Connect the wires, red wire connects to positive, black wire connects to negative 3. Place the ventilation fan into the hole, apply water resistant?glue around the four sides 4. Secure the fan with screws, install the grid cover. Make sure the grid is facing downward for waterproofing Package List： 1 x Side Vent Exhaust Fan 1 x Cover 3 x Screw Caps 11 x Screws