Lasko 20" 3-Speed Weather-Resistant Motor Box Fan B20200
Lasko 20" 3-Speed Weather-Resistant Motor Box Fan B20200
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Lasko 20" 3-Speed Weather-Resistant Motor Box Fan B20200

55.4K ratings
Lasko 20" 3-Speed Weather-Resistant Motor Box Fan B20200Lasko 20 3 Speed Weather Resistant Motor Box Fan B20200Lasko 20 Cool Colors Classic Box Fan with Weather Resistant Motor Portable Cooling Floor or Window Fan 3 Speeds Tranquil Blue B20310Lasko Cool Colors 20 3 Speed Weather Resistant Box Fan Black B20301 New
Actual ColorWhite
Pack SizeSingle

Key item features

  • Powerful Air Circulation: This 20-inch Lasko box fan moves up to 1,710 CFM, rapidly circulating air through bedrooms, kitchens, and home offices.
  • Weather-Resistant Design: A weather-resistant motor allows safe window placement to pull in fresh outdoor air or exhaust stale indoor air.
  • Custom Cooling Speeds: Choose from 3 energy-efficient speeds to create comfortable airflow for sleeping, working, or daily cooling requirements.
  • Enhanced AC Efficiency: Use this fan with an air conditioner to circulate cool air faster, effectively easing hot spots in the room.
  • Effortless Portability & Control: A built-in carry handle simplifies moving this lightweight fan, complemented by top-mounted controls for quick speed adjustments.
  • Integrated Safety Plug: Features Blue Plug fused safety technology, which automatically cuts power if an electrical fault is detected, ensuring operational safety.
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Specs

Electric household fan type, Box FanMaximum air volume, 1800 CFMSpeeds, 3Diameter, 20 inBrand, LaskoColor, White

About this item

Product details

The Lasko 20-Inch Classic Box Fan moves up to 1,710 CFM to help circulate air quickly through bedrooms, kitchens, garages, and home offices. A weather-resistant motor supports safe window use to bring in fresh air or exhaust stale air, and 3 speeds match airflow to your needs. Use it alongside your air conditioner to circulate cool air faster. Top-mounted controls, a carry handle, and tool-free setup make it easy to use.
  • Strong Everyday Airflow: This 20-inch box fan moves up to 1,710 CFM, helping circulate air quickly through bedrooms, kitchens, and home offices for years to come
  • Fresh Air Window Use: A weather-resistant motor supports safe window placement to pull in fresh outdoor air or exhaust hot, stale air from home when it matters most
  • Custom Cooling Comfort: Choose from 3 energy-efficient speeds to create comfortable airflow for sleeping, working, or everyday cooling needs for uninterrupted sleep
  • Boosted AC Efficiency: Use this fan alongside your air conditioner to help circulate cool air faster and ease hot spots in the room you're cooling for a better everyday experience
  • Easy Everyday Portability: A built-in carry handle makes it simple to move this lightweight box fan wherever airflow is needed most in your home with everyday ease
  • Effortless Everyday Control: Top-mounted controls let you adjust fan speed quickly and conveniently without needing to bend down or reach awkwardly with minimal effort
  • Flexible Placement Options: Use this fan on floors, tabletops, or in windows, giving you versatile airflow options throughout any room at home on hot summer days
  • Everyday Peace Of Mind: Blue Plug fused safety technology automatically cuts power if an electrical fault is ever detected, adding peace of mind for lasting comfort
  • Love Your Air: Since 1906, Lasko has pioneered the way forward in delivering superior air comfort through our range of fans, heaters and other products. We remain dedicated to providing supreme comfort to you and your entire family
info:
We aim to show you accurate product information. Manufacturers, suppliers and others provide what you see here, and we have not verified it.  

Specifications

Electric household fan type

Box Fan

Maximum air volume

1800 CFM

Speeds

3

Diameter

20 in

Warranty

Warranty information

1 year warranty

Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.

Warnings

Customer ratings & reviews

4.5 out of 5 stars
stars
55.4K ratings14.6K reviews
Includes global ratings and reviews
How item rating is calculated
  1. 5 stars78% (43.2K)
  2. 4 stars9% (5,044)
  3. 3 stars4% (2,278)
  4. 2 stars2% (1,179)
  5. 1 star7% (3,716)

Reviews summary

Pros

  • : The fan delivers strong airflow and required features for its cost.
  • : The fan includes multiple bright hues that match room decor.
  • : The fan produces strong airflow that lowers room temperature.

Neutral

  • : Unit is quiet on low but loud with rattles and clicks on high.
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Filtered and sorted results would be available on the new 'Customer ratings & reviews' page.
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Showing 1-3 of 14,644 reviews

Sep 17, 2026
Reviewer name: Caroline
Top Reviewer
Item details
Color: White
Multipack quantity: 1
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Quality is Unmatched

We sleep with this fan on all night and have for years. It has not once given us problems. I'm clumsy, and knock it over often, but you could never tell based on how it looks and operates. Great for cooling rooms and fits in the window to push fresh air through. We own one for every room.

Helpful?504e9d40-bb16-11f1-819d-994bb3097ad742388499
reply from Lasko Product Expert

Thank you for your wonderful feedback! We're delighted to hear that you've relied on this fan night after night for years without any issues. It's especially great to know that it has remained durable and dependable, even after being accidentally knocked over from time to time. We're honored that you trust our fans enough to have one in every room. Thank you for your continued support and for sharing your experience with us! 

Jul 24, 2026
Reviewer name: Tonya
Top Reviewer
Item details
Color: Blue
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Adequate, Good for Price

A bit challenging getting the "feet" on, but as soon as they were, this works great. Overall, easy enough to get running. I purchased during the recent smog assault over NE Ohio to try to circulate air. It's not quiet on slowest setting. But for the price, this offers great air flow, it's sturdy, and lightweight to carry or relocate

Helpful?504e9d40-bb16-11f1-819d-994bb3097ad742388499
reply from Lasko Product Expert

Thank you for your detailed feedback! We're glad to hear that once assembled, the fan performed well and provided the strong airflow you were looking for. We appreciate your comments about the assembly process and noise level on the lowest setting, as customer insights like yours help us continue to improve. It's great to know you found the fan sturdy, lightweight, and easy to move around, especially when you needed extra air circulation. Thank you for choosing our product and for sharing your experience!

Sep 7, 2026
Reviewer name: Nikki
Item details
Color: Black
Multipack quantity: 1
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Great airflow and dependable build

This fan moves a lot of air and keeps the space comfortable. The 3 speeds are useful, and the weather‑resistant motor makes it feel sturdy for everyday use. Lightweight, easy to place, and runs smoothly. Pros: Good airflow, simple controls, solid build Cons: A bit loud on high Bottom line: A reliable box fan that cools effectively and works exactly as expected.

Helpful?504e9d40-bb16-11f1-819d-994bb3097ad742388499
reply from Lasko Product Expert

Thank you for your feedback! We're delighted to hear that the fan provides strong airflow and helps keep your space comfortable. It's great to know that you're enjoying the three-speed settings, lightweight design, and the convenience of the simple controls. We also appreciate your comments about the weather-resistant motor and solid construction. While we're sorry to hear that it's a bit loud on the highest setting, we're pleased that overall, it has proven to be a reliable fan that works as expected. Thank you for taking the time to share your detailed experience and for choosing Lasko Products!

Current price is $23.86
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