Lasko 2155A 16-inch 3 Speeds Electrically Reversible Window Fan - White Type: Window Fan Fan Blade Size: 16 Speed Setting: 3 speeds Weight: 15 Feature: The 16 Electrically Reversible Window Fan powerfully circulates air through two to three rooms. Plus, its exclusive Storm Guard feature allows you to close the window behind fan for safety and security during inclement weather or while you're away. Three, Whisper-Quiet Speeds Powerful, 16, Three-Paddle Blades Electrically Reversible Motor with a Simple Turn of the Dial Fits Windows 26 to 34 Wide and 22 High and Larger U.L. Listed Labor: 3 years limited Parts: 3 years limited