1、Engineering Grade ABS: The Air ventilation fan is made from ABS material, ensures durability and UV resistance, making it suitable for outdoor environments. 2、Protection Screen Design: Equipped with a fly screen to prevent fly from entering the vehicle interior, along with a waterproof ventilation grille. 3、Efficient Air Exchange: With a flow rate of 3.3m³/Minute, this exhaust fan quickly exchanges indoor and outdoor air for a fresh interior environment. 4、Wide Application: Ideal for installation in bathrooms, kitchens, warehouses, and restrooms of RVs, campers, trailers, boats, caravans, and yachts. 5、Easy Installation: Side vent fan is simple to mount, simply cut a 175x155mm hole, wire the fan, secure it with screws, and attach the grille cover for complete setup.