Feature 1HIGH DURABILITY: Made of engineering grade ABS material, this exhaust fan is resist to wear, aging, and yellowing, ensuring long lasting durability in various outdoor environments. 2PROTECTIVE AND VERSATILE: Featuring a slanted design to prevent water ingress and a protective net cover to keep out debris, this fan allows for ventilation while protecting stored items, making it ideal for RV shower rooms, kitchens, warehouses, lounges, and more. 3CLEAN AIR EXCHANGE: Equipped with dual fans for simultaneous intake and exhaust, this fan facilitates fast air exchange between indoor and outdoor spaces, providing clean air circulation for your vehicle interior. 4WIDE APPLICATION: Ideal for areas requiring ventilation such as RVs, camping vehicles, motorhomes, trailers, boats, and yachts, offering efficient air circulation for various applications. 5SIMPLE INSTALLATION: : Side installation with a 450x155mm square opening, simple and efficient, utilizing provided tools and requiring minimal effort to integrate into your RV setup.Item Type: RV Side Ventilation Cooling FanRated Voltage:DC12V (for 12V circuit systems only)Rated Power:8.4WSize: Approx. 481x186x70mm / 18.94x7.32x2.75inInstallation Hole Size: Approx. 450x155mm / 17.71x6.10inApplication: Grille design for air ventilation, suitable for RV Camping Vehicle Motorhome Trailer Boat Yacht, etc.Installation Steps:1. Confirm the position for the hole and clean the surfaces. Cut a square hole of 450x155mm on the panel.2. Connect the fan's power wire to the circuit system.3. Insert theexhaustfan into the hole and apply waterproofingglueon the four sides of the fan.4. Secure the fan with screws and install the grille cover to complete the installation. Package List1 x RV Vent Fan1 x Panel Cover3 x Screw Hole Plugs19 x Screws