Top-selling products in Germany! Popular DIY enthusiasts are upgrading ventilation in every location. Great for cooling fans in RVs. With the functional rack mounting kit, you can easily install it anywhere near the device you want to cool, instantly enhancing ventilation. Equipped with two TITAN-exclusive, silent yet powerful airflow fans and a speed controller that can switch between automatic and manual modes, you will experience both whisper-quiet operation and perfect cooling performance. Monitor the quiet operation and airflow performance through automatic or manual speed control. You don't need to design a DIY fan and speed controller to meet all your cooling needs. This is the perfect cooling solution for you. Everything has been prepared, tested, and mostly assembled. The only things you need to think about are where to cool and how easy it is.