1、Efficient Air Circulation: The side air ventilation exhaust fan provides fast indoor outdoor air exchange, ideal for bathrooms, kitchens, warehouses, and lounges. 2、Premium Material: Made of high strength ABS material, the exhaust fan is resistant to oxidation, sunlight, anti aging and yellowing, suitable for various outdoor environments. 3、Convenient Lid: The lid of this ventilation fan features ventilated grid design with mesh screen to prevent debris from entering the compartment, providing enhanced safety. 4、Versatile Use: The side air vent fan is suitable for RV, campervan, trailer, boat, caravans, yacht, and more, can be installed on various vehicles and spaces for different mounting needs. 5、Easy Installation: Follow simple steps to clean and cut a 175 x 155mm square hole, wire the fan, apply water resistant sealant, secure with screws, and attach the grid cover, without complicated steps and tools. Item Type: RV Side Exhaust Fan Working Voltage: DC5V Power: 1W Air Flow: 2.3m3/Minute Size: Approx. 205 x 185mm / 8.07 x 7.28in Installation Opening Size: Approx. 175 x 155mm / 6.89 x 6.1in Wiring: Red wire for positive, Black wire for negative Application: Suitable for RV, campervan, yacht, bathroom, kitchen, warehouse, lounge, providing refreshing air exchange between indoor and outdoor quickly Installation Steps: 1. Confirm the location for the opening and clean, cut a square hole of 175 x 155mm on the panel. 2. Wiring with red wire for positive and black wire for negative. 3. Put the exhaust fan into the hole and apply water resistant glue on the four sides of the fan. 4. Secure the exhaust fan with screws, install the grille cover, installation is complete. Note the direction of the grille cover should be downward for water resistance. 1 x RV Side Exhaust Fan 1 x Cover 3 x Screw Hole Cap 11 x Screw