Let's get straight to the point; you need to get the air moving in your manufactured home, and opening a window won't be enough. So shop with Factory RV, and rest assured that you're in good hands with our Sidewall Replacement Vent Fan. This complete unit will cover total efficiency and performance, operating on a dependable 110V power source for long-term use. To keep the air moving and clear out the stale and humid air in your home, the fan automatically starts up when the outside cover opens, and it stops when closed, ensuring fresh airflow when needed. It's designed to withstand harsh outdoor elements thanks to the weather-protected moving parts for long-lasting performance. This product is manufactured by Ventline, a reputable brand known for producing high-quality vent systems to meet industry standards. In addition, the frame dimensions of 11 ⅝" x 11" will ensure this vent fan is designed to fit, making installation simple and hassle-free.