Key Features of the Lasko 3720 Weather-Shield Box Fan

• 20-Inch Fan Diameter – Provides a wide area of powerful air circulation, effectively cooling larger spaces.
• Patented Weather-Shield® Motor – Engineered for safe and worry-free operation, making it suitable for use in windows without concern for motor damage from moisture.
• 3 Powerful Speed Settings – Allows you to customize the airflow to your preference, from a gentle breeze to a strong gust, for optimal comfort.
• Durable Steel Body – Constructed with a robust steel frame, ensuring long-lasting durability and stability.
• Save-Smart® Design – Incorporates energy-efficient technology to help reduce electricity consumption while providing effective cooling.
• Top-Mounted Controls – Conveniently located controls on the top of the fan for easy access and adjustment of speed settings.
• Easy-Carry Handle – Integrated handle allows for effortless portability, making it simple to move the fan from room to room.
• Front and Rear Grills – Equipped with protective grills on both the front and rear for enhanced safety during operation.

Comprehensive Technical Specifications

Installation & Maintenance for Your Lasko Box Fan

The Lasko 3720 Premium Weather-Shield Box Fan is designed for straightforward use and minimal maintenance. No complex installation is required; simply place the fan on a stable, flat surface or securely in a window opening.

1. Placement: Position the fan on a firm, level surface to ensure stability. For window use, ensure the fan is securely fitted within the window frame.
2. Operation: Plug the fan into a standard electrical outlet. Use the top-mounted controls to select your desired speed setting (1, 2, or 3).
3. Cleaning: Disconnect the fan from the power source before cleaning. Use a soft cloth to wipe down the exterior surfaces. The front and rear grills can be gently cleaned to remove dust buildup. Pro Tip: For deeper cleaning, use a vacuum cleaner with a brush attachment to remove dust from within the grill openings.
4. Storage: When not in use, store the fan in a cool, dry place. The easy-carry handle makes it convenient to move and store.
5. Safety: Always ensure the fan is placed away from curtains or other objects that could obstruct airflow or be drawn into the fan blades.

Why Choose the Lasko 3720 Premium Weather-Shield Box Fan?

The Lasko 3720 Box Fan stands out for its combination of powerful performance, thoughtful design, and enhanced durability. Its patented Weather-Shield® motor provides peace of mind for window use, while the Save-Smart® feature ensures energy efficiency. With a robust steel body, three versatile speed settings, and convenient top-mounted controls, this fan offers reliable and customizable cooling for any room. It's a practical choice for those seeking an effective and long-lasting air circulation solution.