Efficient Cooling: Beat the heat and humidity with our dual ball fan kit that expels hot air and lets cool air in, keeping your space fresh and comfortable. Perfect for small space ventilation, such as greenhouses, chicken coops, sheds, pet houses, rv refrigerator and windows 12V Fan: Protect Your Equipment from the Elements with Waterproof IP67 Rating - Rain, Splashes, and Dust Won't Stand a Chance. Experience Exceptional Cooling Efficiency with Maximum Airflow and Heat Dissipation - Keep Your Equipment Running Smoothly Dual Ball: Crafted with durable materials, our dc fans are corrosion-resistant and built to withstand wear, 50000 hours providing reliable performance for years to come Waterproof and Dustproof Fan: 12v Fans are treated with a waterproof layer to withstand indoor use. The metal protective casing ensures the normal operation of the fan blades 60mm Fan: 60 x 60 x 25 mm ( 2.36 x 2.36 x 1 in. ) | Rated Voltage :12V | Airflow: 26 CFM | Rated Current: 0.2A | Speed: 4500 RPM | Noise:36dBA | Power: 2.4W