






20″ Weather-Shield® Performance Box Fan
Model 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® (costs less than 2¢ per hour to operate) make this an ideal fan for any room where you need to increase cooling airflow.
Features
- Built-in carry handle
- Save-Smart®--less than 2¢ per hour to operate
- 2-year limited warranty
- Innovative Wind Ring® system for 30% more air velocity
- 3 quiet speeds
- Made in the USA from domestic & imported parts
- The Blue Plug™ Patented safety fuse technology
- Simple no-tools assembly
- E.T.L. listed
Specifications
- Size/Height: 21.25"L x 4.75"W x 22.5"H
- Weight: 10.17 lbs
- Remote: No
- Controls: Manual controls