---
product_id: 1183988
title: "Lasko 20\" 3-Speed Weather-Shield Performance Box Fan, White"
brand: "lasko"
price: "€ 320.82"
currency: EUR
in_stock: true
category: "Lasko"
url: https://www.desertcart.be/products/1183988-lasko-20-3-speed-weather-shield-performance-box-fan-white
store_origin: BE
region: Belgium
---

# Energy cost < 2¢/hr 2000 CFM airflow Weather-Shield motor Lasko 20" 3-Speed Weather-Shield Performance Box Fan, White

**Brand:** lasko
**Price:** € 320.82
**Availability:** ✅ In Stock

## Summary

> 🌬️ Stay cool, save smart, and breeze through your day with Lasko’s Weather-Shield box fan!

## Quick Answers

- **What is this?** Lasko 20" 3-Speed Weather-Shield Performance Box Fan, White by lasko
- **How much does it cost?** € 320.82 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.be](https://www.desertcart.be/products/1183988-lasko-20-3-speed-weather-shield-performance-box-fan-white)

## Best For

- lasko enthusiasts

## Why This Product

- Trusted lasko brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Portable & Quiet Design:** Lightweight with a built-in carry handle and whisper-quiet operation—move it anywhere, enjoy peace and comfort.
- • **Powerful 20-Inch Airflow:** Experience full-room cooling with 2000 CFM that refreshes your space fast and efficiently.
- • **Custom Comfort with 3 Speeds:** Tailor your breeze from gentle to powerful with easy-to-use manual controls for any mood or task.
- • **Save-Smart Energy Efficiency:** Run all day for less than 2 cents per hour—cool your home without the guilt or high bills.
- • **Weather-Shield Motor for Window Use:** Safely bring fresh air indoors with patented motor technology designed for window placement.

## Overview

The Lasko Weather-Shield Performance Box Fan is a 20-inch high-performance fan featuring a patented Weather-Shield motor for safe window use and an innovative Wind Ring system that boosts airflow by up to 30%. With three customizable speeds and energy-efficient operation costing less than 2 cents per hour, it delivers powerful, quiet cooling ideal for bedrooms, offices, and living spaces. Its lightweight design with a built-in carry handle ensures portability, while safety features like a fused plug provide peace of mind.

## Description

This high-performing 20" Blade 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 energy efficient operation (less than 2 cents per hour to operate) make this an ideal fan for any room where you need to increase cooling airflow. Top-mounted control and built-in carry handle make this fan easy to use and move from room-to-room. Wider body structure provides greater stability. This fan will help keep you feel cool and comfortable throughout the year. Indoor window use only; not intended for use outdoors. Equipped with Blue Plug safety fuse technology, making this fan a safe and an energy-efficient option. Condition: New

## Features

- POWERFUL 20-INCH BOX FAN FOR FULL-ROOM COOLING: High-performance box fan delivers strong airflow to quickly cool bedrooms, living rooms, garages, and home offices, making it ideal for whole-room air circulation and everyday cooling comfort
- CUSTOM COOLING WITH 3 SPEED SETTINGS: Choose from 3 fan speeds to personalize airflow from gentle circulation to powerful cooling, giving you flexible comfort for sleeping, working, or relaxing
- ENERGY-EFFICIENT COOLING FOR LESS THAN 2 CENTS PER HOUR: Save-Smart design helps reduce energy costs while delivering powerful performance, making this electric fan a cost-effective solution for all-day or overnight use
- WINDOW FAN WITH WEATHER SHIELD MOTOR FOR SAFE USE: Patented Weather Shield motor allows safe window use, so you can bring in fresh air and exhaust stale air while maintaining reliable performance
- LIGHTWEIGHT, PORTABLE FAN WITH BUILT-IN SAFETY: Easy-carry handle and durable design make it simple to move room to room, while the fused safety plug provides trusted protection for worry-free operation

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B000BOCD1Y |
| Air Flow Capacity | 2000 cfm |
| Best Sellers Rank | #225,880 in Home & Kitchen ( See Top 100 in Home & Kitchen ) #1,112 in Household Fans |
| Blade Length | 20 inches |
| Blade Material | Plastic |
| Brand Name | Lasko |
| Collection Name | Weather Shield |
| Color | White |
| Connector Type | NEMA 5-15 |
| Control Method | Touch |
| Controller Type | Manual controls |
| Customer Reviews | 4.1 4.1 out of 5 stars (3,240) |
| Electric Fan Design | Floor Fan |
| Finish Type | Painted |
| Form Factor | Stand Alone |
| Global Trade Identification Number | 00460134188072 |
| Included Components | Box fan, User Manual |
| Indoor Outdoor Usage | Indoor |
| Installation Type | portable |
| Item Dimensions D x W x H | 4.7"D x 21.2"W x 22.5"H |
| Item Type Name | 20″ Weather-Shield Performance Box Fan - Features Innovative Wind Ring System for Up to 30% More Air |
| Item Weight | 8.9 pounds |
| Main Power Connector Type | NEMA 5-15 |
| Manufacturer | Lasko |
| Material | Alloy Steel, Plastic |
| Model Name | 20″ Weather-Shield Performance Box Fan |
| Model Number | 3720 |
| Motor Type | Weather-Shield |
| Mounting Type | Stand Alone |
| Number of Blades | 5 |
| Number of Packs | 1 |
| Number of Power Levels | 3 |
| Number of Speeds | 3 |
| Part Number | 3723 |
| Power Source | Corded Electric |
| Recommended Uses For Product | Air Circulation, Cooling, Ventilating |
| Reusability | [LOW] |
| Room Type | Bedroom, Dorm Room, Home Office, Living Room |
| Size | 20 Inch |
| Special Features | 3 Powerful Speeds, Weather-Shield Motor, Energy Efficient Operation, Portable Design |
| Specification Met | ETL |
| Style | Modern |
| Switch Type | Toggle |
| Theme | Box Fans |
| UPC | 809394594160 680808346229 151903081471 808112947615 460134188072 801947291601 713002510445 804904235489 021112347173 021112833737 754633668129 804067308693 046013418807 |
| Unit Count | 1 Count |
| Voltage | 120 volts |
| Warranty Description | 2 Year Limited |
| Wattage | 112 watts |

## Product Details

- **Brand:** Lasko
- **Color:** White
- **Electric fan design:** Floor Fan
- **Mounting Type:** Stand Alone
- **Power Source:** Corded Electric
- **Product Dimensions:** 4.7"D x 21.2"W x 22.5"H
- **Recommended Uses For Product:** Air Circulation, Cooling, Ventilating
- **Room Type:** Bedroom, Dorm Room, Home Office, Living Room
- **Special Feature:** 3 Powerful Speeds, Weather-Shield Motor, Energy Efficient Operation, Portable Design
- **Style:** Modern

## Images

![Lasko 20" 3-Speed Weather-Shield Performance Box Fan, White - Image 1](https://m.media-amazon.com/images/I/71kzO3PsS9L.jpg)

## Available Options

This product comes in different **Number Of Items** options.

## Questions & Answers

**Q: What is the cubic ft of air movement for the fan?**
A: Great question. The approximate CFMs of this unit are as follows -1530/LOW  1920/MED  2220/HIGH

**Q: how many watts does this fan draw?**
A: My watt meter is reading: Watts = 69/Low, 86/Med, 100/High.

**Q: Where does the cable connect on the fan?**
A: back at bottm comes from moter down fram and out nice long cable best fan i ever had i have 2 both run 12 t0 24 hrs a day and have for almost 2 yrs  you will love them they make very very little sound too and great air flow buy buy hope this helps you

**Q: I see it says made in the u.s.a. and in the next section it says made in china. well, which is it?**
A: The description says made in usa with parts from USA and China.

## Frequently Bought Together

- Lasko Weather-Shield Performance Box Fan, 3 Speeds, Innovative Wind Ring System for Up to 30% More Air, Carry Handle for Bedroom, Office, Home, 20 Inch, White, 3720
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- The Original Duck Brand Duct Tape, 1-Pack 1.88 Inch x 60 Yard, Silver (394475)

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*Product available on Desertcart Belgium*
*Store origin: BE*
*Last updated: 2026-10-26*