Lasko 20″ Weather-Shield Performance Box Fan-Features Innovative Wind Ring System for Up to 30% More Air, 20 Inch, 3720

This high-performing box fan from Lasko features a patented Weather-Shield motor for worry-free window use, plus a high performance grill for ultimate air flow. Three speeds and Save-Smart efficiency make this an ideal fan for any room where you need to increase cooling airflow.

Additional features include:

• Save-Smart efficiency--less than 2 per hour to operate
• Innovative Wind Ring system for up to 30% more air velocity
• 3 quiet speeds
• Built-in carry handle
• Fully assembled