Third Party Refurbished 3720 - Lasko 20-Inch Weather-Shield | Aztek Computers
29+Years
SKU: K379HBHLPW |  Mfg. Part: 3720  | UPC: 046013418807  | 
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Third Party Refurbished 3720 - Lasko 20-Inch Weather-Shield High-Velocity Box Fan

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Expected availability: 1-2 weeks
Condition: Third Party Refurbished

$62.34  $84.16



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Product Overview

The 20-Inch Weather-Shield High-Velocity Box Fan offers an impressive air velocity that is 30% greater than typical box fans. Featuring the innovative Wind Ring system, this fan is designed with a specialized high-performance grill that focuses airflow for maximal efficiency. With three whisper-quiet, energy-efficient speeds, the weather-shield motor ensures reliable performance even when used in windows. Additional benefits include a user-friendly control knob, a convenient carry handle, and a lightweight, stable design. Proudly made in the U.S.A., this UL-listed fan comes fully assembled for immediate use.

Expert Overview

The Lasko 20-Inch Weather-Shield High-Velocity Box Fan, part number 3720, is designed for business and IT environments requiring enhanced air circulation. This portable fan utilizes a Wind Ring system and a specialized high-performance grill to focus airflow, achieving 30% greater air velocity compared to standard box fans. It features three energy-efficient speed settings and a weather-shield motor, allowing for reliable operation, including safe use in windows. The unit is suitable for offices, server rooms, or workshops where focused air movement can help manage ambient temperatures or improve ventilation. Its lightweight, stable design, integrated carry handle, and user-friendly control knob facilitate easy deployment and repositioning without requiring assembly. This UL-listed fan provides a practical solution for targeted air circulation needs.

Technical Specifications

  • High-performance Wind Ring system for increased airflow
  • Three energy-efficient speed settings
  • Weather-shield motor for safe window use
  • Easy-to-use control knob
  • Convenient carry handle for portability
  • Lightweight and stable design
  • Fully assembled and ready to use

Product Details

  • Manufacturer:
  • Model Number:
  • UPC:
  • Condition:
  • Weight:
  • Dimensions:
  • Updated:
  • Added:
  • Lasko
  • 3720
  • 046013418807
  • Refurbished
  • 8.9 lbs
  • 23 X 22 X 6
  • Aug 04, 2026
  • Aug 02, 2026
Product Identifiers: Brand: Lasko • Part #: 3720 • UPC: 046013418807 • Category: Portable Fans

Frequently Asked Questions

What is the primary benefit of the Wind Ring system?

The Wind Ring system, combined with a specialized high-performance grill, focuses airflow. This design contributes to an air velocity that is 30% greater than typical box fans, enhancing air circulation efficiency.

Can this fan be safely used in a window?

Yes, the Lasko 20-Inch Weather-Shield High-Velocity Box Fan features a weather-shield motor, which ensures reliable and safe performance even when used in windows.

How many speed settings does this fan offer?

The fan provides three energy-efficient speed settings, allowing users to adjust airflow according to specific requirements.

Is any assembly required before use?

No, the Lasko 20-Inch Weather-Shield High-Velocity Box Fan comes fully assembled and ready for immediate use upon delivery.

Third Party Refurbished 3720 - Lasko 20-Inch Weather-Shield High-Velocity Box Fan

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Reviews for Lasko 3720

$62.34