Feature 1Fan Parameters: Side vent fan has rated voltage of DC12V, 2.4W power, 2000 RPM high speed and exhaust air volume of 2.3m per min, black color. 2ABS Material: Made of engineering grade ABS material, this exhaust fan is resistant to erosion, UV rays, aging, and yellowing, ensuring long lasting performance in various outdoor environments. 3Easy Installation: With a size of 205 x 185mm and a cut hole size of 175 x 155mm, this exhaust fan has a ventilation grille design and has an protective mesh, effectively preventing debris from entering your space. 4Efficient Air Circulation: DC12V exhaust fan facilitates quick air exchange between indoor and outdoor environments, improving air quality and providing a solution for damaged walls. 5Wide Application: Side ventilation exhaust fans are widely used in RV campers, RVs, trailers, boats, caravans, yachts, etc, suitable for bathroom kitchen warehouse lounge, provide air circulation for your enclosed space, more comfortable. Item Type: RV Side Vent Fan Operating Voltage: DC12V Power: 2.4W Speed: 2000 RPM Air Volume: 2.3m/min Size: Approx. 205x185mm / 8.1x7.3in Installation Hole Size: Approx. 175x155mm / 6.9x6.1in Wiring: Red wire to positive, Black wire to negative Application: Side exhaust fan for quickly exchanging indoor and outdoor air, providing fresh air for your vehicle interior, solving problems for damaged walls Suitable for: RVs, camping cars, yachts, bathrooms, kitchens, warehouses, lounges Installation Steps: 1. Confirm the location for the installation hole, clean it, and cut a square hole of 175x155mm on the panel 2. Connect the wires, red wire to positive and black wire to negative 3. Insert the exhaust fan into the hole and apply water resistant glue around the four sides 4. Secure the exhaust fan with screws, install the grille cover, and installation is complete. Note that the grille should be facing downward for waterproofing Package List 1 x Ventilation Fan 1 x Cover 11 x Screws 3 x Screw Hole Caps Note Installation requires drilling for wiring, it is strongly recommended to have professional engineers assist in the installation to ensure your best shopping experience