Lasko 20" Cool Colors Classic Box Fan with Weather-Resistant Motor, Portable Cooling Floor or Window Fan, 3 Speeds, Tranquil Blue, B20310
Lasko 20" Cool Colors Classic Box Fan with Weather-Resistant Motor, Portable Cooling Floor or Window Fan, 3 Speeds, Tranquil Blue, B20310
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Lasko 20" Cool Colors Classic Box Fan with Weather-Resistant Motor, Portable Cooling Floor or Window Fan, 3 Speeds, Tranquil Blue, B20310

|54.4K ratings
Lasko 20" Cool Colors Classic Box Fan with Weather-Resistant Motor, Portable Cooling Floor or Window Fan, 3 Speeds, Tranquil Blue, B20310Lasko 20 Cool Colors 3 Speed Box Fan with Weather Resistant Motor Blue 22 5 High B20310 NewLasko 20 Classic Box Fan with Weather Resistant Motor 3 Speeds 22 5 H White B20200 NewLasko Cool Colors 20 3 Speed Weather Resistant Box Fan Black B20301 New
Actual ColorBlue-Out of stock
Pack SizeSingle-Out of stock

Key item features

  • Powerful Cooling: Delivers up to 1,725 CFM for whole-room cooling, enhanced by Wind Ring Technology for stronger airflow and improved circulation.
  • Versatile Placement: Features a weather-resistant motor for safe window use to circulate fresh air or exhaust stale air, and can be used on floors, tabletops, or windows.
  • Customizable Comfort: Offers 3 energy-efficient speed settings controlled by simple top-mounted manual controls for various cooling needs.
  • Portable Design: Lightweight with an integrated carry handle, making it easy to move the fan between rooms.
  • Durable Construction: Built with a sturdy steel frame and rounded corners for reliable, long-lasting performance.
  • Enhanced Efficiency: Helps improve AC efficiency by circulating cool air more effectively and reducing hot spots.
  • Safety Assured: Incorporates Lasko's trusted Blue Plug safety technology, which automatically cuts power if an electrical fault is detected.
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4.5 out of 5 stars
stars
54.4K ratings14.5K reviews
How item rating is calculated
  1. 5 stars78% (42.4K)
  2. 4 stars9% (4,939)
  3. 3 stars4% (2,215)
  4. 2 stars2% (1,159)
  5. 1 star7% (3,679)
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Showing 1-3 of 14,529 reviews

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-994bb3097ad73782136206
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!

Sep 12, 2026
Reviewer name: nikki
Top Reviewer
Item details
Color: Black
Multipack quantity: 1
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Beautiful black fans!!

Handsome fans, great air circulation, low noise!! I have these in my garage windows, to make the garage cooler and more work and play friendly. The black color blends in well. Thanks for making these in non traditional colors!!

Helpful?504e9d40-bb16-11f1-819d-994bb3097ad73782136206
reply from Lasko Product Expert

Thank you so much for the wonderful review! We’re thrilled to hear that you’re enjoying the great air circulation and low noise, and that the fans are helping make your garage more comfortable for work and play. We’re also glad you love the black color and our non-traditional color options! We truly appreciate your support and choosing Lasko. 

Sep 13, 2026
Reviewer name: katie
Top Reviewer
Item details
Color: Black
Multipack quantity: 1
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Great price Great fan

Great speed, not too loud and very light weight!

Helpful?504e9d40-bb16-11f1-819d-994bb3097ad73782136206
reply from Lasko Product Expert

Thank you for the great review! We’re glad to hear you’re enjoying the fan’s great speed, quiet operation, and lightweight design. We truly appreciate your support and choosing Lasko! 

Current price is $26.38
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