18 Inch Fixed Cooler Fan Blades are primarily use to remove the moisture out of the bathroom. They are highly efficient to control and eliminate bathroom odours. Along with these, provided blades are easy to rotate and provide a great air circulation to quickly remove the smoke. 18 Inch Fixed Cooler Fan Blades are also useful to remove heat during the summer. These blades helps to reduce the humid air out of the room during a hot shower.