Feature 1WEATHER RESISTANT: Constructed from high grade ABS material, our RV roof vent fan is designed to withstand harsh outdoor conditions. It is UV resistant, and aging resistant, ensuring long lasting performance while maintaining its color and integrity over time. 2POWERFUL 100W VENTILATION SYSTEM: Equipped with a robust 100W motor and a remarkable airflow capacity of 400m/H, this fan effectively eliminates unwanted odors from your RV in no time. Experience a breath of clean air as it circulates refreshing air within your space. 3ADJUSTABLE AIR VENT CONTROL: Tailor your airflow with the convenient adjustable knob, allowing you to control the size of the exhaust opening. This feature ensures optimal ventilation according to your specific needs, providing a flexible airflow experience. 4VERSATILE APPLICATION: Designed for easy installation on the roof of your RV, campervan, boat, or yacht, this ventilation fan enhances airflow throughout your mobile living space. Its versatility makes it suitable for various outdoor settings, ensuring comfort wherever you travel. 5ENHANCE INDOOR COMFORT: Transform your vehicle into a comfortable sanctuary with our exhaust fan. Improve indoor air by promoting ventilation, ultimately providing a more pleasant and enjoyable environment for you and your passengers during your adventures.Item Type: RV Roof Ventilation FanMain Material: Engineering grade weather resistant plasticInstallation Opening Size: Approx. 238mm / 9.37inPower: 100WOperating Voltage: DC12VAir Flow Volume: 400m/HApplication: The roof ventilation fan can keep recreational vehicles ventilated, eliminate any odors in the vehicle in a short time, bring clean air, mounted on the top of the car, suitable for RVCampervan Boat Yacht. Kitchen, bathroom, storage room, hallway, lounge can be installedInstallation Steps:Step 1: Determine the installation position, clean the appearanceand mark itStep 2: Drill a 238mm circular hole at the marked positionStep 3: Secure the exhaust fan into the hole and connect the wires to the circuit systemStep 4: Install the top cover and secure it with screws, continue to install and secure the internal cover to complete the installation(If you encounter any problems during installation, please touchus anytime) Package List1 x Roof Exhaust Fan (4 Accessories)4 x Screws