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Amazon.com: Comfort Zone CZ200A 20" 3-Speed Box Fan with Carry Handle for Full-Force Air Circulation : Home & Kitchen
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Amazon.com: Comfort Zone CZ200ABK 20" 3-Speed Box Fan with Carry Handle for Full-Force Air Circulation with Air Conditioner, Black : Home & Kitchen
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David Elfstrom on Twitter: "Materials: A 20" box fan as shown below. Some names are Utilitech, Genesis, Hurricane, For Living. The box it comes in. A 3M Filtrete MPR 1900 (MERV-13) 20x20x1.
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Lasko Save-Smart Energy Efficient 20 in. 3 Speed White Box Fan with Built-In Carry Handle 3733 - The Home Depot
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