Lasko 3733 Slim 20 in 3-Speed Air Circulating Box Fan White for Bedroom or Living Room
Lasko 20" 3-Speed Weather-Resistant Motor Box Fan 3733
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Lasko 20" 3-Speed Weather-Resistant Motor Box Fan 3733

445 ratings
Lasko 20" 3-Speed Weather-Resistant Motor Box Fan 3733Lasko 20 3 Speed Energy Efficient Box Fan 3733 White NewLasko D cor Colors 20 3 Speed Box Fan Electric B20401 New
Actual ColorWhite

Key item features

  • Powerful Airflow: Generates strong air circulation, moving up to 1,800 CFM, ideal for enhancing comfort in bedrooms, living rooms, and other spaces.
  • Customizable Settings: Features 3 speed settings with top-mounted manual controls, allowing flexible adjustment to match desired airflow and environment.
  • Economical Operation: Designed for Save-Smart efficiency, costing under 2 cents per hour to run, providing continuous airflow without significant energy expenses.
  • Easy Portability: Lightweight design incorporates a convenient carry handle, facilitating simple movement of the fan between rooms for versatile use.
  • Durable Versatility: Constructed with a robust steel body and 20-inch blade, this slim fan offers sturdy build and flexible placement on floors, tables, or in windows.
  • Enhanced Safety: Integrates Blue Plug fused safety technology to automatically cut power during electrical faults, providing peace of mind. It is also ETL Listed.
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Customer ratings & reviews

4.2 out of 5 stars
stars
445 ratings178 reviews
How item rating is calculated
  1. 5 stars70% (311)
  2. 4 stars10% (44)
  3. 3 stars3% (14)
  4. 2 stars5% (21)
  5. 1 star12% (55)

Reviews summary

Pros

  • : Has a tone that blends into the background.
  • : Produces more air at various speeds.
  • : The fan delivers strong airflow relative to its features.
  • : The fan emits a steady hum that aids sleep.

Neutral

  • : Unit has distinct speed steps but rattles and becomes loud at high.

Cons

  • : Causes instability and potential durability issues.
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Showing 1-3 of 178 reviews

Sep 17, 2026
Reviewer name: Ronald
Item details
Color: White
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Reliable Box Fan !

A trusted brand and still delivers ! " very reliable Box Fan " A

Helpful?4Z6CKNE7N7O616503182
reply from Lasko Product Expert

Thank you for the wonderful review! We’re proud to hear that Lasko continues to be a trusted and reliable brand for you. We’re especially glad you’re enjoying the reliability of your box fan. We truly appreciate your continued support and choosing Lasko! 

Apr 6, 2026
Reviewer name: Johnnie
Top Reviewer
Item details
Color: White
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Works great and thank you

I know inflation has went up but those type fans used to be $10 and that is almost twice as much so I don't agree with the price.. because I was used to getting them between 10 to 12 dollar

Helpful?4Z6CKNE7N7O616503182
May 28, 2026
Reviewer name: William
Top Reviewer
Item details
Color: Black
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

buy it

very reasonable price since I am on social security thank you

Helpful?4Z6CKNE7N7O616503182
Current price is $42.99
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4.6 stars out of 5, based on 7090 seller reviews(4.6)
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